Which image BEST represents punctuated equilibrium? A. Image A, because there is a period of rapid change in a short amount of time.
B. Image A, because speciation resulted in the production of two species.
C. Image B, because the larger mollusk was more fit for the environment.
D. Image B, because there is a large size difference between the older and more recent fossils.

the electromagnetic energy from the sun arrives in the form of visible and invisible light.

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.