On this map of South America, which features are not on a plate boundary?





A) A and B

B) B and C

C) C and D

D) D and E

E) All of the features are on a plate boundary.


C) C and D

Environmental & Atmospheric Sciences

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Use your knowledge of plate boundaries to answer whether a volcano is likely or unlikely to form at the location of the red triangle.



A) Likely
B) Unlikely

Environmental & Atmospheric Sciences

Which of the following autonomous political units contain Turkic or Mongolian peoples

A. The North European and Middle Volga-Urals B. Siberia and the Far East C. North Caucasus D. Territories of the Far North

Environmental & Atmospheric Sciences

Africa is the most tropical of the world's continents, even surpassing South America and the Amazon

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

A geologist working in an area finds gravels with gentle dips of about 5 degrees. She finds a large outcrop where these gravels are overlain by tephra with prominent layers that dip 35-40 degrees. What is the history of this area?

A) Before the gravel was deposited, a cinder cone formed in this area. B) After the gravel was deposited, a large composite cone was built on the area. C) After the gravel was deposited, a cinder cone formed in the area. D) Basalt flows formed after a series of gravels were deposited, covering the local terrain, and built a shield volcano.

Environmental & Atmospheric Sciences