What delicate ecosystem is under threat from climate change and human encroachment?

A) mangrove forests
B) Luzon terrace agriculture
C) Mekong River Delta
D) all of the above
E) none of the above


Answer: A

Environmental & Atmospheric Sciences

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According to the U.S. Environmental Protection Agency, one of the five top toxic substances of major concern to human and environmental health is

A. sodium. B. lead. C. oxygen. D. gold. E. polonium.

Environmental & Atmospheric Sciences

Using the data in this table, calculate the number of half-lives that have passed for the dike (unit D on this table).



A) 1
B) 2
C) 3
D) 4
E) 5

Environmental & Atmospheric Sciences

Given the prevailing wind direction indicated by the arrow, where would you expect temperatures to be warmest and the humidity lowest?



A) A
B) B
C) C
D) D

Environmental & Atmospheric Sciences

Extratropical cyclones move eastward because they are rooted in the westerly winds

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences