18) Water availability poses the single greatest limitation to plant life in deserts. The amount of moisture that is available for plants to use is determined by the unique features of the soil. Which term describes the capacity of the soil to allow fluids to pass through it?

A) texture

B) composition

C) particle size

D) permeability

the correct answer is b. possesses the characteristic of compartmentalization of organelles, wherein the organelles are bound by membranes.

explanation:

imagine a line passing through the center of earth that goes through both the north pole and the south pole. this imaginary line is called an axis. earth spins around its axis, just as a top spins around its spindle. this spinning movement is called earth's rotation. at the same time that the earth spins on its axis, it also orbits, or revolves around the sun. this movement is called revolution.