Do you have a picture? It would really help answer your question
Answer - A. Deep because there is less O2 exchange
Reasoning - Bacteria has been known to only use half a percentage which is .5 percent of O2.
Water is warmed by the sun and is evaporated. It is then cooled down and condensed. Finally, it is brought back to Earth in the form of water droplets (Rain)
I hope it helps!^^ May the power of unicorns be with you!
The answer is C. RNA, but it should really by called mRNA for Messenger RNA
A catalyst increase a chemical reaction, therefore making the answer B. Promotes a chemical reaction.
Hope I could help! :)