Plants play a major role in the carbon cycle. plants use carbon dioxide for , a process that forms glucose and releases oxygen. when plants die, break down their parts to release carbon dioxide back into the atmosphere.

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.

Which substance contains thylakoids? a) nadph b)atp c)stroma d)chloroplast

Gram-negative bacteria have a cell wall that is! and does not accept the stain, making itappear