Explain the process of salt weathering (4 marks) *Also, is that the same as chemical Weathering??

Salt weathering is a geomorphic process resulting in the physical disintegration of rocks or stones and in the fretting of their surfaces. It is mainly due to the growth and expansion of various salts crystals.

Hope it helps,

I don't know the answer of second question.

answer; i believe the correct answer is ; large pieces of pangaea drifted in different directions over millions of years;

within these regions are all the major types of biomes in the world. a biome is a community of animals and plants spreading over an extensive area with a relatively uniform climate. some diverse biomes represented in north america include desert, grassland, tundra, and coral reefs.