Answer:
Explanation:
very great at the morning but now i am bored..
no positive things happened till now
the internet is disturbing ang irritating me i can't completing my work.
The cell membrane gateway system you are looking for is called <span>Sodium Potassium Pump.</span>
i think d. is the best answer .
Uranium-238 is found only in igneous or volcanic rocks. They can date a very ancient fossil also but carbon cannot date and ancient fossil. Trees are not very ancient. Carbon-14 can be used to measure only fossils of recent age.