What does the evidence suggest as a cause of the mass extinction 65 million years ago?

a. a great earthquake

b. a great flood

c. a meteor crashed to earth

d. a drastic temperature drop

Which of the following would make a good aquifer? Group of answer choices clay and shale sediment filling half grabens of the Basin and Range Province of the western United States highly porous scoria formed by volcanic eruptions in Indonesia

What is the function/purpose of fibers for the plant? which part (s) of the whole plant would you find fibers?

Explain one way the biosphere regulates with the atmosphere?

What is the difference between (5075,2326) and (8436,4034)

What is the cloest ocean to Mongolia?

Which European nation was the most influential in colonizing Brazil? A. Spain B. France Portugal D. England

What crops grow abundantly in the Central Valley of Chile? A) fruit, vegetables, and wine grapes B) sugar cane, rice, and oranges C) cacao, coffee, and bananas D) corn, wheat, and barley

Sections of active fault lines that haven't experienced a significant earthquake for a long time, even though adjacent sections have, are called a. stress accumulations. b. recurrence gaps. c. seismic risks. d. seismic gaps

What is the Trans-Siberian Railroad? a. the world's longest continuous railroad line b. the major link between Moscow and Europe c. the best way to travel between Russia and Afghanistan d. the shortest railroad in Siberia

What are the 4 different fields of study of Earth's systems?