Determine the wavelength of the light absorbed when an electron in a hydrogen atom makes a transition from an orbital in the n = 2 level to an orbital in the n =7 level.

In this food web, which group would increase in number if snakes were eliminated? a. producers b. decomposers c. primary consumers d. secondary consumers e. tertiary consumers

Aplan that covers all qualified higer education expenses is known as a

The different layers of gases that extend form the surface of the earth into space