Seaweeds are not plants

a. True
b. False


True

Environmental & Atmospheric Sciences

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Only 5% of the Earth's land is strictly protected from human activities.  With this level of protection, which of the following statements is the reason that so many land species are increasingly threatened with extinction?

A. Because conservation biologists say we need to strictly protect 20%. B. Because so much land is being lost to flooding from rising sea levels. C. Because of reduced sunlight from atmospheric pollution. D. Because of a dramatic increase in earthquakes and volcanoes.

Environmental & Atmospheric Sciences

The atmospheric gases which best absorb infrared energy are: a. water vapor and carbon dioxide

b. nitrous oxide and water vapor. c. carbon dioxide and methane. d. nitrous oxide and oxygen.

Environmental & Atmospheric Sciences

A block of matter will weigh

A. less on the Moon. B. the same on both. C. less on the Earth. D. need more information

Environmental & Atmospheric Sciences

________ are shallow portions of a meandering stream, in which the water is typically fast-moving at low flows

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences