What is the maximum depth of surface curents? why
a. 1,400 m
b. 400 m
c. 900 m
d. 4,000 m
explan why and how you choose your anwser

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels

The nervous system interacts with the endocrine system by a. using hormones as connections b. sending nerve impulses directly to glands c. using neuroendocrine cells as connections d. sending neurotransmitters directly to neurons

Number and variety of living organisms includes genetic, species, and ecological types