Which process works with erosion to break down rock?

Rock is broken by different kinds of erosion

Explanation: Erosion in many kinds can break down rocks; Ice can break it by penetrating as water into cracks, and when it freezes, it expands and breaks the rock. Wind can also erode rock over a long period of time, however it doesn't really break solid rock; it forms dunes out of sand instead. Water in rivers or lakes can also break it with current. And finally, plant roots can penetrate through gaps and grow thicker inside, breaking the rock with pressure.

i'd say weathering

Explanation:

because weather helps break down sediments and carry them away to different places.

i'm not certain that's the answer but i'm taking the test right now so i'll tell you later :)

just checked. the answer is weathering because i got 100%

since there isn't any suggested answers i will give you the reason and hopefully you can figure it

south africa, or rather all of africa, has not been in the location in which it is nowadays throughout the geological past. after the super-continent pangaea started to break apart, gondwanaland, in which was africa, moved further south, and parts of it came to be very close to the south pole. because the climate in this part of the world is very cold due to the very dispersed sun rays in there, what is now south africa, started to freeze, and the conditions were right for the formation of glaciers. the glaciers existed up until the period when gondwanaland started to break apart and what is now africa started to move towards north, sp it warmed up and the glaciers melted.