Organisms that live in the abyssal zone eat: a. they get energy from photosynthesis c. dead things that drop from shallower water b. they hunt small school of fish d. the use chemosynthesis for energy

In which specialized organ of the plant would these cells most likely be found

In what for do plants utilize nitrogen? why do they need nitrogen?

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.