25 points and brainleiest

what is seafloor spreading?
a) new areas of oceanic crust occurring through the up welling of magma at the mid ocean ridges
b) the moon
c) a thing in the ocean
d) mid-ocean trenches continually add new material to the ocean floor

A) New areas of oceanic crust occurring through the up welling of magma at the mid ocean ridges.

i think that it is c, d, and e, hope this

here is the answer

water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. weathering is the breaking down or dissolving of rocks and minerals on earths surface. once a rock has been broken down, a process called erosion transports the bits of rock and minerals away.