Answer:
idk what hes eating so id just go with b? sorry if its wrong
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Hi !
Stimulants, such as cocaine, nicotine, and amphetamine, <em>increase the activity of the sympathetic nervous system, the central nervous system, or both. </em>
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(psychoactive drugs :
Drugs that act on the nervous system to alter consciousness, modify perception, and change mood.)
Answer:
A. Genetics
Explanation:
Because the mice are all from the same litter, their appearance is influenced by genetics.
