Identify the true statement.
choose one:

a. aerosols scatter only light waves with short wavelengths.
b. the sky looks blue because atmospheric gas molecules are scattering blue light.
c. clouds are white because they absorb the entire spectrum of visible-light colors.
d. blue light has a longer wavelength than red light.

The map above shows where people live in the united states. areas that are darker blue are areas where people live close together. areas that are lighter colors are places where people live farther apart. as a geographer, if you were to study where people live and why they choose to live in these places, which of the six essential elements of geography would you be using?

In wegener’s evidence for continental drift, continents were proposed to fit together, such as the east coast of south america with the west coast of europe. east coast of africa. west coast of greenland. lower west coast of africa.

Can someone me with this plz? ! i'm putting 20 points on it!