A large crater in the ground is one effect of a rapid change that can happen on Earth. Which of the following can cause a crater to form? * 10 points
a forest fire
a giant wave
a large earthquake
a volcanic eruption

If a population is growing quickly in a small area then what must increase as well

How does central place theory explain patterns in the size and distribution of cities?

Ascientist is explaining how background cosmic radiation gives evidence of the big bang theory. she says that radiation has been detected everywhere equally as heat in the universe and is increasing. this has been shown to be residual radiation from the big bang. what error did the scientist make?