Which of the following is an example of biological weathering?

a. plant roots growing through rock

b. water freezing in the cracks of rocks

c. oxygen reacting with the minerals in rock

d. rocks breaking from thermal expansion?

You see a crescent moon setting after the sun sets. is it waning or waxing?

What are the main landforms in south america?

How do the bats and the Eagles forelimbs deffer

Which is a result of seafloor spreading? A) magma piles up on top of the plates involved B) the plates involved are cracked on the surface C) earthquakes occur along the edge of the larger plate D) the plates involved grow in size as the ocean floor

What type of rock makes up the andes mountains in southern america?

Some students confuse adaptation with adapting. Clarify the misconception.

List 4 sources of ocean pollution

Russia's population distribution is strongly influenced by ... a. the demands of world trade. b. its ethnic and religious diversity. c. the Pacific Ocean. d. its physical environment.

Which of the following was a contributing factor to the spread of the Depression around the world?

What determines the size of a mineral crystal formed from magma?