Lipids are divided into how many structural classes?

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


D

Environmental & Atmospheric Sciences

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Ground level ozone is

A. not regulated. B. found only in rural areas. C. a significant source of air pollution and contributes to the formation of smog. D. a significant source of air pollution and contributes to the increase in the ozone hole.

Environmental & Atmospheric Sciences

Marine mammals are ____

A) ectothermic B) endothermic C) autotrophic D) disphotic

Environmental & Atmospheric Sciences

Prevailing ________ winds are needed to provide the net movement of surface water seaward along the west coast of North America.

A. seasonal coastal B. northerly C. westerly D. southerly E. easterly

Environmental & Atmospheric Sciences

A "woodland" is an open canopy forest where tree crowns cover less than 20% of the ground.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences