Humans are a(n) ________-based life form

A) oxygen B) carbon C) hydrogen D) nitrogen E) phosphorus


Answer: B

Environmental & Atmospheric Sciences

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Which of the following are needed to convert fructose 1-phosphate to fructose 1,6-bisphosphate?

A) only phosphofructokinase B) only phosphofructokinase and Mg2+ C) phosphofructokinase, ADP, and Mg2+ D) phosphofructokinase, ATP, and Mg2+

Environmental & Atmospheric Sciences

The gradual accumulation of minor changes that bring about a transition from one species to

another is a process called ____________. Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences

Which of the following would cause a negative forcing?

A) An increase in the burning of fossil fuels, leading to an increase in greenhouse gases in the atmosphere B) A large volcanic eruption spewing ash high into the atmosphere, blocking sunlight around the world for years until the ash cloud slowly dissipates C) Snow-covered ice sheets in Greenland melting and revealing bare rock D) All of these scenarios would cause a negative forcing.

Environmental & Atmospheric Sciences

Maritime polar air masses develop in central Canada

a. True b. False Indicate whether the statement is true or false

Environmental & Atmospheric Sciences