Ecosystems undergo and are often shaped by disturbances. The of an ecosystem is a measure of how much disturbance it takes to alter the flows of energy and cycling of matter in that ecosystem, while the is a measure of the ability of that ecosystem to recover from a disturbance

[content deleted] - user123802726recklesschicken

looks like the answer is     c     to me!

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.