11. what are four types of mountains?
a. fretted, faulted, superdome, volcano
b. shear, vertical, horizontal, plateau
c. grabens, plateau, valley, peak
d. folded, fault-block, dome, volcanic

Which types of seismic waves travel through earths interior? select all that apply. a) l waves b) p waves c) s waves

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?

To solve this system of equations by elimination, what operation could be used to eliminate the y-variable and find the value of x? 6x + 5y = 2 4x + 2y = 8 a) subtract 2 times the second equation from 3 times the first equation b) subtract 3 times the second equation from 2 times the first equation c) subtract 5 times the second equation from 2 times the first equation d) subtract 2 times the second equation from 5 times the first equation