Why is the sky orange and red at sunrise and sunset?

A) Gases absorb orange and red light.

B) Blue wavelengths are absorbed by the atmosphere.

C) The thick atmosphere scatters all but longer wavelengths.

D) Only short wavelengths are radiated from the Sun in the morning and evening.

Select the correct answer. which term do biologists use to describe the average number of individuals of a species per unit area? a. carrying capacity b. population density c. minimal viable population d. survivability curve

The image shows the evolution of a species of fish. a few fish from a population developed different social behaviors and evolved into different species. two fish according to the image, the fish underwent . the new species of fish had mating seasons that were different from that of the original fish. because of the differences in mating seasons, the fish underwent reproductive isolation. this mode of isolation would be .

A(n) is a molecule influences the way that a molecule reacts.