The answer is cubic meter c:
An Amino Acid is a organic compound, containing amine
So you know that there are 3,000,000 of bacteria in one gram of soil so you multiply 3,000,000×10 and you get 30,000,000. Then you just check all your options. So it's 3×10^7.
In my mind it is C, because A looks a bit too suspicious too me, because we already had a lot of crops, but now al lot of the things we use are plastic, such as plastic cups, chairs, and tables etc.
My final answer is C.increased use of plastics.
Hope this helps!
<span>Mitosis is the part of the cell, That when needed, it will split in two and each part will grow its own nucleus. You need it to heal a wound.</span>