Using the Universal Gratitation Law, we have:
Again applying the formula in the new situation, comes:
Number 4If you notice any mistake in my english, please let me know, because i am not native.
Hello <span>Mr1guy24
Question: </span><span>Radioactive isotopes are used to?
Answer: Determine the absolute age of rocks (A)
Reason: If we want to know the absolute age of rocks, then we use radioactive isotopes to find this out.
Hope This Helps!
-Chris</span>
I'm pretty sure the answer is B: <span>establish public doubt
Hope this helps!</span>
Answer:
Molecules are made up of atoms that are held together by chemical bonds. These bonds form as a result of the sharing or exchange of electrons among atoms. The atoms of certain elements readily bond with other atoms to form molecules. ... The element helium is a one-atom molecule. I hope this helps :)
Answer:
c. A Generator
Explanation:
The whole point of a generator is to produce electrical energy. The generator will use a mechanical motor usually running off of gas to produce electricity.