If current growth projections are accurate, the human population of the planet in 2050 will be about

A) 8 billion.
B) 20 billion.
C) 15 billion.
D) 9 billion.


D

Environmental & Atmospheric Sciences

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The elements of weather include

A) latitude and humidity. B) temperature and precipitation. C) the seasons and clouds. D) humidity and global warming.

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What motivated Europeans to explore during the Age of Discovery?

A) Empire expansion B) Possible commerce C) Food sources D) Just to explore

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According to Figure ?, where do the air masses that bring precipitation to

the Pacifi c Northwest originate? What will be an ideal response?

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In ocean circulation patterns, water leaving the equator and moving north is saltier due to:

A) evaporation. B) precipitation increase. C) high density. D) both B and C.

Environmental & Atmospheric Sciences