Answer:
Catastrophism.
Explanation:
According to Geology, there's a theory which held that surface, mountains, lakes, were created by suddenly because of great catastrophes like earthquakes and floods.
Answer:
find in this http://www.pmd.gov.pk/rnd/rnd_files/vol6_issue11/6_Effective%20Rainfall%20for%20Irrigated%20Agriculture%20Plains%20of%20Pakistan.pdf
Explanation:
<span>Factors contributing to the west ward expansion of the United States include the discovery of gold, the Homestead Act, and the desire for adventure, land and riches. The answers are the third, fourth and fifth statements among the choices that you have included or posted.</span>
