Answer:
The correct answer is : option A. emotional arousal in the amygdala activates memory consolidation in the hippocampus.
Explanation:
Hippocampus is the part of the brain known for the consolidation of the memories to short time to long term memories based on their emotional relevance.
Amygdala is the part of the brain that is responsible for emotional arousal or forming emotion which is later activates the hippocampus to consolidate this memory. Memory with the emotional aspects retained for long term than boring or humdrum experiences due to the reason mentioned above.
They both help to draw water into a plant's stem, roots, ect.
An object that starts and ends at the same point would have zero displacements.
<h3>What is displacement?</h3>
Displacement is the property of a body or an object to be moved from one place to another.
Thus a body that moves or is moved from point A to point B has been displaced.
A body with zero displacements either did not move at all or finished at the same point it started.
For example, a body that moves from point A to B, and then back to A will have zero displacements.
More on displacement can be found here: brainly.com/question/11934397
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These alternative genes are called alleles