What characteristic sets streams and rivers apart?
a) water quality
b) direction of flow
c) size
d) biodiversity

Plants can have a positive and negative effect on the rate of weathering

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?

What is the lithosphere and describe its characteristics?