Current hypotheses state that the planets formed by what process?
a) gas expansion
b) accretion
c) nuclear fusion
d) diffusion

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean

Long-period comets come from the oort cloud particles in earth’s atmosphere material from the asteroid belt the kuiper belt