Answer: Weathering is the breaking down of rocks and minerals on the surface of Earth. Weathering is divided into two types, mechanical and chemical.
Explanation: One of the causes for mechanical weathering is water, either liquid or solid. A cause for chemical weathering is rain water. Rain water reacts with mineral grains in rocks to form new minerals.
Answer:
Correct answer is often formed on the dry side of mountain ranges.
Explanation:
First option is not correct as sand is covering only 20 percent of deserts, while plants can survive in desert even for a large period of time without water.
Second option is also not correct. Deserts can be found everywhere. In Asia, Africa, Australia...
Third option is correct. Mountains are blocking rainy weather, that would allow the growth of plants.
Last option is not correct. We can find deserts in cool areas.
The answer is D. The question asks how different cultures influenced each other so that rules out options A & B. Option C is about the environment being destroyed, and that really has nothing to do with foreign influence.
I believe your answer to be limestone, good sir.
