PLEASE ANSWER QUESTION IN PHOTO NOW.

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.

Why does the skin of your finger shrink when you wash clothes for a long time?

Human genes only differ by less than percent. a. 1 b. 6 c. 11 d. 16