What is a typical depth of a deep-sea trench?

A) 5 m
B) 5 km
C) 50 m
D) 50 km


Answer: B

Environmental & Atmospheric Sciences

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The spiral of cumulative causation in peripheral regions and countries is assisted by

A) import substitution in the core. B) backwash effects from the core. C) spread effects from the core. D) agglomeration diseconomies in the core. E) both C and D

Environmental & Atmospheric Sciences

How many bonds between nitrogen and hydrogen are formed if you react nitrogen with hydrogen according to the following reaction? N2 + 3H2 ? 2 NH3

A) 6 B) 2 C) 3 D) 1 E) 8

Environmental & Atmospheric Sciences

What mechanism accounts for differential survival and reproduction among members of a species?

a. neptunism b. stratigraphy c. formation d. natural selection e. orogeny

Environmental & Atmospheric Sciences

The grazing of phytoplankton by copepods would be an example of a(n) _____ influencing a community

a. physical factor b. environmental occurrence c. biological niche

d. biological factor e. diverse adaptation

Environmental & Atmospheric Sciences