Critical Thinking When a spherical cell increases in diameter from 2 um to 20 um, by what factor does its surface area change? By what factor does its volume change? (The surface area of a sphere
= 41 radius?, and the volume of a sphere = 4/31 radius'. Remember that diameter = 2 x radius.)

Waianapanapa beach in hawaii is a black-sand beach that was formed by waves crashing against volcanic rock. the sand can be very hot on sunny days. which statement best explains why? o a. the black sand has no heat capacity. b. the black sand absorbs no radiation. o c. the black sand is immune to insolation. d. the black sand has a low albedo.

Kudzu vines grow by climbing and wrapping around trees. trees covered by kudzu can die because they are starved of sunlight. what type of relationship exists between the trees and the kudzu growing on them?

Which organism actively hunts other