The answer is hypnotic do u have answer choices?
The brain's suprachiasmatic nucleus regulates the body's circadian rhythms. The suprachiasmatic nucleus is a minute region of the brain located in the hypothalamus above the optic chiasm, the circadian rhythm is the 24-hour cycle of organisms, related to sunlight and temperature.
Water accounts for most of a cell's mass!
Answer:
C
Explanation:
deer are alive and therefor biotic. As they graze they eat grass, walk on land and use oxygen, - all parts of the environment
