Answer:
I am not sure but I think the answer is of last one.
It is muscle and nerve tissue
The half life of Carbon 14 is 5730 years. By substituting the given figures to the formula x=I(1/2)^n where x is the amount of the remaining material, I is the initial amount and n is the quotient between the time elapsed and carbon 14's halflife. You will arise with the formula x=20(1/2)^1.745. You will get 5.97 mg.
Answer:
Deer’s Point of View
What would you do if you did not have clean oxygen to breathe? The air is being polluted because of your factories and car fumes. It’s causing global warming and even negatively affecting the Polar Bears. You need to be aware of the other living organisms and environments. Remember, you can’t turn back time, so don’t wait until many more species are extinct, act now.