24 x 10 to the 8th power. Sorry I don't know how to do the exponents on here
I believe the answer is (B)
<span>a complex series of feeding relationships with many organisms interacting and depending on each other </span>
It would be the first choice :)
Because when replicating DNA, this process is called semi-conservative
Hope this helps :)
~His Cookie Monster
The third one is ze answer
1/2 of a radioactive substance will remain after 3 half lives.
