Which best explains how photosynthesis is to humans? it reduces the amount of harmful rays released by the sun. it increases the levels of carbon dioxide in the air. it provides oxygen for humans to breathe. it produces proteins, which humans can eat.

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

Red flowered snapdragons are crossed with white flowered snapdragons, producing all pink snapdragons in the f1 generation. what would you expect if you crossed pink with pink? 3/4, 1/4, 1/2 red, 3/4,/1/2,/1/4 pink,1/2, 3/4, 1/4 white

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?