Photon energy is proportional to which of the following? period of the light wave
frequency of the light wave
speed of the light wave
color of the light wave

PLZ ANSWER 20 POINTS

Which conditions are necessary for natural selection to occur? select all of the answers that apply. a. inheritable adaptations vary among individuals. b. the population size is increasing. c. more individuals are born than can survive. d. fitness varies among individuals. e. the environment changes suddenly and drastically.

What are the four basic classes of organic molecules how do they differ structurally and functionally

According to the big bang theory, after the "bang," the universe remained dark until about  300,000 yearsone billion yearsthree minutesthree billion years  later, when neutral atoms began to form.