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Monday, October 16, 2017 by Nadia

## radiocarbon dating? can someone please explain?

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radiocarbon dating? can someone please explain?### sci

are radiocarbon dating and carbon-14 dating the same thing?### science help pls

Which of the following is a technique used in relative dating? Beta decay Index fossil correlation Isotope ratios Radiocarbon dating is it d pls help me### science

Can scientists use radiocarbon dating to find the age of a very tall, old redwood tree living in an old growth forest? Explain your answer.### Earth Science

which two criteria must be met before scientists can use radiocarbon dating? I need serious help dudes lol### science

Can scientists use radiocarbon dating to find the age of a very tall, old redwood tree living in an old growth forest?### Science

Shale often contains fossils of leaves. Question: If the gastropods listed in line 3 and line 6 were collected from shale containing leaf fossils what would their possible age be? Question: Could you use radiocarbon dating to assign a numerical date/age to this rock unit? ...### media

can someone please explain why there are advertisement on the webpage, which are very interrupting...like dating women.. whoever set this programme up can you please get rid of it as this is for educational purposes not for promoting sexual relationships!!### MEDIA

can someone please explain why there are advertisement on the webpage, which are very interrupting...like dating women.. whoever set this programme up can you please get rid of it as this is for educational purposes not for promoting sexual preferences!!### science

What is the corrected radiocarbon age if the orginal radiocarbon age is 2100?### Proofreading

Hi, can someone please proofread this for me? Topic: Explain why dating is not an effective method for screening out future divorces especially those that take place early in marriage Dating is not an effective method for screening out future divorces because dating involves ...### Radiometric Dating

I have to answer the question 'The age of granite can be determined using radiometric dating. Explain the basis for the determination of a 238 U-Pb radiometric date of 1120 Ma for granite'. Can anyone suggest any sources to help me? Thanks! http://www.jiskha.com/search/search....### English Essay

I am supposed to write a comparison essay for English. Related to Online Vs Traditional Dating. Could you help me make a strong thesis? Technology has brought many innovations in human life and one of the greatest for many is online dating. However just like Traditional dating...### Physics

When any radioactive dating method is used, experimental error in the measurement of the sample's activity leads to error in the estimated age. In an application of the radiocarbon dating technique to certain fossils, an activity of 0.15 Bq per gram of carbon is measured to ...### science

Can the principles of relative dating be used to determine the date a rock layer was deposited? Explain your reasoning. I think no because realtive dating doesnt remember the exact date, it only remembers the time at around when it was formed. is that correct ..plz help### Science

What process involves the comparison of rock layers with others in a sequence to determine its age? radioactive decay radiometric dating relative dating absolute dating To determine the most accurate and precise age of Earth's oldest rocks, geologists would use relative dating...### Maths-can someone explain something to me???

hey, can someone explain vectors to me? im soooooo lost, I don't understand them at ALL. please please please help me. :(### ENGLISH 111

I need a thesis sentence for online dating and traditional dating for a compare and contrast essay### Chemistry

An archeological artifact was subjected to radiocarbon dating. The artifact showed a carbon-14 decay rate of 13.8 disintegrations/ min per gram of carbon. Carbon-14 has a half-life of 5715 years, and currently living organisms decay at the rate of 15.3 disintegrations/ min per...### science

how are relative dating and absolute dating different### Geology

The age of granite can be determined using radiometric dating. How would I explain the basis for the determination of a 238 U-Pb radiometric date of 1120 Ma for granite? Any help gratefully received. Tough one. I wonder if the following search results might help? http://www....### sci

Describe your assigned method and how it is used to evaluate geologic time. My assigned method is Relative Dating. The only thing I can find is in wikipedia but can someone please help me find more info on this please.### ChemB

The activity of carbon 14 in living tissue is 15.3 disintegrations per minute per gram of carbon. The limit for reliable determination of age is based on carbon 14 is .10 disintegration per min per gram of carbon. Calculate the max age of a sample that can be dated accurately ...### Physics

Why would the carbon dating method be useless in dating old coins but not old pieces of adobe brick?### math 012 please help explain

can someone please help explain how to do this problem. i have a previous posting where i tried to work the problem out, and someone tried to explain where i was confused, but im still confused. 4(2n+1)=3(6n+3)+1### Chemistry

Can someone please explain to me what was John Dalton's experiment that led to his atomic theory? I know it's the electrolysis of water, but I'd appreciate if someone could explain in detail.### Math SOmeone please please help

Find the derivative of the function. g(u) = (5+u^2)^5(3-9u^2)^8 Could someone please explain the steps that would lead me to the answer? I'm completely stuck.### Radiometric (Radioactive) Dating

How old is a sample that contains 125 atoms of U-235 and 375 atoms of Pb-207? ...Given that the half life values on my handout are 713 million years. *I do not even know where to start so could you please explain in steps too? Thanks.### Biology....someone who can explain something to me

can someone explain the Miller-Urey Experiment to me? I've read it again and again and I just don't really get it. Please help me out here.### Can someone please help

Can someone help me please?! If you know Spanish II Explain how the imperfect is used to talk about the past.### Social Studies help please!!

Explain why Polk was able to win the presidency. What did he campaign in support of? Can someone explain to me please?### math/ algebra 1

can someone please help me explain how they got this answer and can someone please show me the steps into solving this question? Q: Four more than the quotient of a number and three is at least nine.### Biology

Explain how the half-life of a radioactive isotope affects the usefulness of that isotpe in dating specific types of rock?### Physics help please!

Explain why the sum of the masses of the uranium nucleus and of the neutron does not equal the total mass of the products of the reaction. I guess its a theory question. Someone please explain!### English

What is the dating relationship effects?? please help### Health

Which of the following is part of the cycle of dating violence? (Select all the apply) Period of calm Violent Episode Making up Tension-building Can someone help?!### physics help please!!!

The tires of a car make 63 revolutions as the car reduces its speed uniformly from 94.0 km/h to 58.0 km/h. The tires have a diameter of 0.88 m. What was the angular acceleration of each tire? And If the car continues to decelerate at this rate, how much more time is required ...### HELP! PHYSICS LABS!!

CAN someone please help me...I am so confused and I have little time left to do my assingment, please! I am freaking out! Please help me!! Can someone please explain why when the centripetal force increases, so does the radius, and why when Centripetal force increases, so does...### science

Can someone help me find two specific reasons why radioactive dating/geology are evidence for evolution. I've read many articles online but i do not really understand the whole concept.### algebra 1

a number is less than one fourth of the sum of three times the number and four. can someone please explain to me how they got this answer and can someone please show me each step.### science

Fragment of Roman Gladiator leather harness. Radiocarbon date is 2100. What is the corrected age?### Math

The amount of radiocarbon present after t years is given by y=ae^-.0001216t . find the half live of 14### math(help)

please help someone explain this please!! The length of a marathon is 138,435 ft.each stride,or step,by a particular runner is 3 ft long.does the number of strides the runner takes fit evenly into the length of the race?(EXPLAIN ANSWER PLEASE) --------------------------- IS 38...### math

Can someone please help with solving compound inequality. !.) 6x-4<-34 or 3x+10>10 2.) -2<=2x-4<4 I'd appreciate if someone can explain not looking for just answer. Thank you### Science- Chemistry

Could someone please explain a few things? First off, how do you change a normal compound or element and change it to an ion? And second, could you please explain the net ionic equations?### physics - please explain further

Can someone please explain the answer I got for a question I previously posted on this page? I don't understand the solution I was given and even when I try it, I'm not getting the right answer.### Math Help

could someone please give me an example not an example using coins, marbles, spinner, like something different that would explain the difference b/w theoretical and experimental probability. And please explain.### Algebra, explain how to please

Can someone explain to me how to solve -14=2/5(9-2b) It would be greatly appreciated thank you### Algebra, explain?

So I have to solve this problem 9a=6(a+4) And then I wrote down: 9a=6a+24 but I don't know what to do from there, can someone explain to me please?### math

i was doing the mean theorem for this problem: (x+4)^2 (x-3) on [-4,3] i got to: 3x^2 + 10x-8=7 someone helped me out and told me the answer was (-5 +/- sqrt(70))/(3) but i don't know how to get to there, can someone please explain to me how to get to this point?### chemistry

Can someone please explain the behavior of HCl/NaOH mixture as to why it started bubbling/dissolving when combined with Mg and with NH4Cl and why when blue litmus paper was dipped in the HCl/NaOH mixture it turned red. Also can someone explain the correct behavior that is ...### 12 Biology! URGENT!

Can anyone please explain how LH affects estrogen and progesterone? I tried searching the internet and I don't understand, so can someone EXPLAIN it to me in words? THANKS!! THANKS!### Math scientific expressions

Can someone please explain to me what exactly scientific notations are and what I need to know to solve them properly?? Also, provide worked out examples and explain the steps you followed. PLEASE, no joke responses... I just want a better understanding.### History please help

Could someone explain what does it mean to "stabilize international exchange rates"? I would really appreciate it if someone wrote a brief explanation, because I just don't understand### Geology

1) Granite is an intrusive, felsic rock, which may be produced by partial melting or fractional crystallization. Explain how these processes can produce felsic magmas from more mafic parent magmas 2)The age of granite can be determined using radiometric dating. Expalin the ...### 8th grade math

I need someone to explain how to solve equations with two variables and tell me what the formula or equation is? Please help and explain. Thank you!### Chemistry

Please can someone help explain the following: Explain the kinetics of combustion as a complex free radical process using hydrogen fuel.### Math Help Please!

Solve the system of equations algebraically. Show all of your steps. y=x^2+2x y=3x+20 Can someone please explain to me how to do this? I want to actually learn it, please. Thanks! :)### Health. Check my answers please

Can someone please check my answers. 1. Violence resulting in the death of another person is called A. Bullying B. Homicide C. Conflict D. Rape 2. Using the excitement of violence to keep video games users playing their games is an example of which risk factor? A. Poverty B. ...### Human resource

Can someone explain me this question: explain how and to what extent THE CONCEPT OF PEOPLE HAS CHANGED OVERTIME ,HENCE,HIGHLIGHTING THE EVOLUTION AND GIVING PRACTICAL EXAMPLES TO ILLUSTRATE YOUR ANSWER. am new to this module and can someone pls explain that question to me!### Chem 2 help

what is the significance of calculating the half life of a reaction? How has the concept of half-life been used to develop the method of carbon dating? If a substance does not contain the element carbon can the method of carbon dating be used to date the artifact? Thanks!### Honors Chemistry

Can someone please explain to me how to use the stock naming system when naming chemical/ionic compounds? I reeeeaaaally do not get it. Here's some examples: 1. CaCO3 ==> I know the answer is calcium carbonate, but how is it that answer? 2. FeSO4 ==> The answer is ...### History

Can someone help me find some polls or info on the original LAPD SWAT officers who were wounded and killed in action from the late 1960s-1982 please. And can someone explain to me what anti-SWAT opinions are as well as pro-SWAT opinions please.### english

can someone explain how to use the word serenity in a sentence? examples please? Would you say someone is filled with serenity?### Can someone Explain this(math)

34, 36, 43, 46, 47, 48, 48, 52, 53, 54 Box And whisker Plot I Don't Understand these at all can someone Explain without totally giving me the answer?### Chemistry

My teacher asked us the origin of atomic spectra. She did not explain it very well. can someone please explain.Also how do you perform calculations using the Balmer-Rydberg equation? I don't get it. Thank you### science question?

can someone explain to me?? can someone explain the economic impact of wind energy on an area### Geology

Does this sound right? Describe your assigned method and how it is used to evaluate geologic time. My assigned method was Absolute Dating / Numerical Age. Absolute Dating / Numerical Age is the process that assigns a numerical age ( this tells how old a rock or fossil is);to a...### Science

I REALLY REALLY NEED HELP SO 1.I need to do an essay asking you (me)to explain what is the difference between erosion,transport,and deposition?... 2.another essay asking me to explain you (me) to explain the destructive and positive effects of a volcanic erupyion?... 3.a short...### MATH

calculate missing dimension. a) cylinder has volume 1m3 and height of 0.6m. How do I fifure the missing dimension. Could someone please provide me with a formula to figure this out. Also can someone please explain to me step by step how to do this. Cause it takes me a long ...### Biology

Can someone please explain what this article isn't talking about I couldn't post the link but you can find it online "The relationship between the volume of antimicrobial consumption in human communities and the frequency of resistance" Please don't just post a link to the ...### Economics

Can someone please explain what factors affect a country GDP? Also, if Thailand has a GDP of 4.5% and Australia has a GDP of 2.8%, please explain which country has a better economy. Thanks for your help### AP U.S History

Can someone please explain what Federalism is? I don't quite get it yet. Please be specific.### HELP Please. Geography.

I found some links for the geological history for the appalachian mountains BUT it confuses me. Can you please simplify the formation of the Appalachian mountains?? please? thanks. Basically the mountains were created due to the merging of the continents into Pangea. I know ...### Chemistry

Could someone please explain the concept of electromagnetic radiation to me please? Thank you!### algebra help please

add and simplify 1. a^2/2 + 3a^2/8 2. 4c/15 + 8c/25 i need help can someone explain please### math PLEASE HELP

Can someone please explain the Pythagorean Theorem to me?! I seriously don't get it.### Types of Violence

Types of Violence For each of the following scenarios, write the correct number of the heading in the space beside it. Each heading may be used more than once. 1. Financial abuse 2. Physical abuse 3. Sexual abuse 4. Bullying 5. Psychological/Emotional abuse A. A grade eleven ...### grade 9 math

Can someone please help me solve this equation. And please explain how to break this down. 4b-6+b-9= 0### Chemistry Help Please

Which of the following is the strongest reducing agent? a) Li+ b) Zn c) Sn d) H2 Is it Li? Can someone please explain what the answer is and why?### Chem

How can the concept of specific heat capacity of water be used to explain the heating and cooling patterns if the oceans and the climate on the planet?? Can someone please explain this to me it would really help a lot.### Algebra

Can someone please tell me what the domain of the following equation is? Please explain how you got that answer. g(x)=5^x### CONFUSING QUESTION PLEASE HELP

Which of the following is the strongest reducing agent? a) Li+ b) Zn c) Sn d) H2 Is it Li? Can someone please explain what the answer is and why?### math

12. What is the distance between P(–4, 3) and Q(6, 1)? Round to the nearest tenth. can someone please explain how to do this problem please### math

12. What is the distance between P(–4, 3) and Q(6, 1)? Round to the nearest tenth. can someone please explain how to do this problem please### Science

Can someone explain the idea of "structure affects function" please? And can you please give me an example?### Math

Can someone help me please 5-2x is greater than or equal 7 I get x can be greater than or equal to -1 Or x can be less than or equal to 6 And to graph i puta closed dot on -1 and 6 but it keeps saying im wrong i don't understand how im wrong, can someone explain why please ...### Science

Geologists use radioactive dating to... - determine the relative age of rock layers. - tell the difference between molds and casts. - tell where one soil horizon begins and the next one ends. - determine the absolute ages of rocks. I think it is to determine the absolute ages ...### Math (Reiny please help!)

Solve the system by substitution. -x-y-z=-8 -4x+4y+5z=7 2x+2z=4 I am very confused about this. Can someone please explain how to do this?### Environmental Science

Can someone please explain to me what SEMASS stands for? I googled SEMASS acronym but no site was able to explain what it means and why it's significant.### Chemistry

Please can someone help me to explain or find me some material where i can study related to these 2 questions: 1.Analyse the spectrum of 1-methylstyrene. 2.Explain the formation of gaseous and solid state PCl5 from its IR and Raman spectra.### Chemistry. help please

Could a Bronsted-Lowry acid not be an Arrhenius acid? Explain. Could someone explain the answer to me?### Algebra one help please?

Find the missing coeffectient in the equation of the line. -4x+by=10 that passes through (2,3) Could someone explain please.. Thanks.### 8th grade math

y=1/4x-1 1/2y=x-2 2x+3y=3 3y=5-2x 4x-y=3 4x=y=1 I don't understand this can someone please help me! This is Systems of Equations please work out the problem and explain it how to do it.### NEED HELP PLEASE

The websites are confusing! Can someone please explain what a revenue variance is? I want to do my homework for a spreadsheet I downloaded. I just need the definition, please.### Geology

Can anyone help me please? I have a sample of granite, which has been determined to have a U238-Pb date of 1120 Ma. How can I find out how this was determined? I have been trying to calculate this but my brain has frozen, so any help would be appreciated! I don't expect the ...### english

Can someone explain thoroughly what EFL learners get from the task where they have ti put new words into context?Can someone explain this stategy?And also another strategie - using linguistic clues### Evolutionary Bio

I was wondering if someone could explain to me how two haploid mating types can form a diploid. Also could someone explain the haplodiplontic life cycle? I would very much appreciate it.### English

Complete the sentences. My answers are with capital Tony HASN’T HAD a lot of luck dating because he's quite bashful. HE'VE MET a few nice women but finds it tough to keep a relationship going. He WAS WORKING A LOT last year, which also MEANT that he DIDN’T HAVE much time ...### Economics

Can someone please explain the difference between these, and how they apply to someone that has monotonic preferences? I have read in the book but they all seem to be running together and am so confused! Thank you. Symmetry Convexity Local Non-satiation Transitivity Completeness

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