The Middle East and North Africa contain 7% of the global population but hold roughly what percent of the world's proven oil reserves?

A) 5%
B) 15%
C) 50%
D) 25%
E) 85%


C) 50%

Environmental & Atmospheric Sciences

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The infant mortality rate is the percentage of children who die before the age of ________

A) 1 year B) 5 years C) 1 month D) 6 months E) 2 years

Environmental & Atmospheric Sciences

The rising global demand for food has recently been met by ________

A) an increase in per-acre crop yields B) switching to a diet high in fish and seafood, which do not require cropland C) cultivating more land D) decreasing the per-capita amount of food available

Environmental & Atmospheric Sciences

Active mountain belts are most likely to be found ________.

A) in the interior regions of continents B) along the margins of continents C) along only the eastern margins of continents D) scattered throughout continents

Environmental & Atmospheric Sciences

Where are neurotransmitters stored in a nerve cell?

A) the axon B) a dendrite C) the synapse D) the vesicle

Environmental & Atmospheric Sciences