Need quick answer!
what may happen if tectonic plates stopped moving?
a) ocean water will freeze.
b) there will be no new mountain formations
c) volcanic activity will increase.
d) continents will move towards the poles.

what experimental evidence led scientists to change from the previous model to this one?

a few of the positive particles aimed at a gold foil seemed to bounce back.

the colors of light emitted from heated atoms had very specific energies.

experiments with water vapor showed that elements combine in specific proportions.

cathode rays were bent in the same way whenever a magnet was brought near them.

i think the answer is a, hope this : )