Does radioactive dating with isotopes of uranium and, Ask an Expert

Academics

Does radioactive dating with isotopes of uranium and thorium provide an estimate of the starting, middle, or end of the period of Earth's formation? Explain your answer

No, this method estimates the age of the oldest un-melted surface rocks on Earth. As the surface of Earth probably melted many times as the planet was produced, the Earth should be older than these rocks.

View complete question

Biology, Academics

Category:- Biology
Reference No.:- M9578566

Have any Question?Write your Review or question?

Related Questions in Biology

Krebs cycletca cyclewhat are the reactantswhat are the

Krebs Cycle/TCA cycle What are the reactants? What are the products? What is the net ATP gain? Where does it take place in prokaryotes vs eukaryotes?

Suppose a man carries a very common dominant mutation for a

Suppose a man carries a very common dominant mutation for a deadly muscular disease that doesn't show up until people are usually over 50 years of age (he has the disease). He and his wife are expecting their first child ...

Question darwin was not the first to consider evolution as

Question: Darwin was not the first to consider evolution as a process but he did come up with the first effective explanation for how it happens. Describe Darwin's theory of evolution by natural selection. Explain how th ...

Instructions address each question below as it relates to

Instructions: Address each question below as it relates to the caw study given. A patient was brought to the Emergency Department by ambulance with two arrow wounds. One arrow is still in the patient on the left side; en ...

Describe the form of endocytosis that involves the movement

Describe the form of endocytosis that involves the movement of large amount of liquid into the cell.

You have been allocated a cdna accession number from the

You have been allocated a cDNA accession number from the NCB' database (see table below on page 2). Your task is to design experimental strategies that will allow you to: clone the cDNA in different expression vectors us ...

Assignment -the upper-case blue letters are the 14th exon

Assignment - The upper-case, blue letters are the 14th exon (of 20) in the Hephl1 gene in mice. The lower-case (black) letters are from the flanking introns. The highlighted bases indicate primers that may be used to ge ...

How do i calculate the number of molecules needed for

How do I calculate the number of molecules needed for lethal dose? I am given the chemical name's LD50 and the "Estimated Lethal Dose (in grams) for 60kg human.

Assignment 2 biological basiscontinuing on the research

Assignment 2: Biological Basis Continuing on the research that you started in Week 3, explain what your chosen biotechnology accomplishes and how it is implemented, and describe the body of knowledge that it is based upo ...

You take a small section of leaf and view it underneath a

You take a small section of leaf and view it underneath a microscope. You count 25 stomata. Now you want to calculate how many stomata would be in a leaf the size of a penny. a) Calculate the area of the view of view (A= ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Biology Expert