Where do new root cells from?
a. behind the root cap
b. inside root hairs
c. on top of the root cap
d. under the cortex

What is the percentage of hydrogen in nitrogen trihydride

How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.

Identify arrows pointing to bonding electrons. done h-0-0-h ) intro