The main function of the central nervous system is to

Air pollution is only caused by human activity, select the best answer from the choices provided ot of true or false

The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.

What is earths lithospheric plates interact at