Which of the following energy producing methods can sometimes lead to riverbed erosion?
a.
solar
b.
wind
c.
hydroelectric
d.
geothermal

the answer is c

What happens when the temperature of a solution increases?

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

What can be found in the ionosphere