Biodiversity enhances human food security because ________

A) protecting biodiversity provides greater opportunities for ecotourism
B) the loss of crop diversity makes our food supply vulnerable to pests
C) drugs can be developed from compounds found in plants
D) nearly 20% of our food crops require pollinators such as insects


B

Environmental & Atmospheric Sciences

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Representative animals in which biome include red fox, white-tailed deer, southern flying squirrel, opossum, bear, and a great variety of birds?

A) midlatitude broadleaf and mixed forest B) Arctic and alpine tundra C) desert D) Mediterranean shrubland E) tropical savanna

Environmental & Atmospheric Sciences

Russia's "command economy" was established by which Soviet leader?

A) Lenin B) Gorbachev C) Yeltsin D) Putin E) Stalin

Environmental & Atmospheric Sciences

________ is the compass direction of the line produced by the intersection of an inclined rock layer with a horizontal plane

A) Dip B) Angle C) Strike D) Plunge

Environmental & Atmospheric Sciences

When the slowing of a fluid—such as air—is due to the random motion of the gas molecules, the viscosity is referred to as ____________________

Fill in the blank with correct word.

Environmental & Atmospheric Sciences