What is the word for an array of nonaligned or friendly states that cushion or protect a larger country from invasion, as happened with the former Soviet Union and its Eastern European neighbors?

A) Balkan region
B) convection cells
C) buffer zone
D) homelands
E) distributaries


C) buffer zone

Environmental & Atmospheric Sciences

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Currently, the country with the world's largest population is

A. USA. B. India. C. Mexico. D. China. E. United Arab Emirates.

Environmental & Atmospheric Sciences

When rocks are broken up by physical force, we term that ________ weathering

A) chemical B) physical C) biological D) natural E) isostatic

Environmental & Atmospheric Sciences

The Precambrian Crust is

A) metamorphic and plutonic rock. B) plutonic and sedimentary rock. C) sedimentary, metamorphic, and plutonic rock. D) metamorphic and sedimentary rock.

Environmental & Atmospheric Sciences

Most of the oxygen in the Earth's atmosphere was produced through ____________________

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences