Apart of the brain involved in emotions and including the insult, hippocampus, and parts of the diencephalon is the:
a. corpus callosum
b. basal ganglia
c. limbic system
d. cerebellar peduncles
e. cerebral cortex

c. Limbic system. Also known as the paleomammalian brain, the limbic system is composed of brain structures from mesencephalon, telencephalon and diencephalon. It supports and maintains different functions in the body. It governs  the emotions, drive, long term memory and  behavior.

I’d say a : water molecules

The answer is a: the eggs have half as many chromosomes as the body cells