It is C beacuse you would produce large quantities of the neurotransmitter to see if it could be used as a potential medication.
Answer:
Climate and slavery
Explanation: Slaves were the main reason that there was food before the end when Abraham was president. Climate and slavery can change how the crops were grown. I'd also say the geography was messed up then due to the climate. (sorry if wrong Q-Q)
<span>I think for the most part, the warmth of the waters determine what lives in them. In warmer coastal waters, you are going to find coral reefs that provide homes to millions of species of fish and micro-organisms.</span>
C would be the best choice
Dark occur in the stroma, and do not use light energy
