Which element is present in the largest amount (by number of atoms) in the human body?

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


B

Environmental & Atmospheric Sciences

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What occurs when air is subjected to less pressure?

A) The air becomes compressed. B) The air expands C) The air rises in temperature. D) The water vapor is able to condense.

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The evolution of Laurentia can be described as continental growth by the accretion of younger

terranes to an Archean core.

Environmental & Atmospheric Sciences

Which of the following statements is true about a reversible reaction?

A) All reversible reactions are exothermic. B) All reversible reactions have low activation energy. C) When we mix the reactants together one or more of the reactants will be completely used up. D) When we mix the reactants together none of the reactants will be completely used up.

Environmental & Atmospheric Sciences

How does the Milankovitch theory explain intermediate-term climatic events like the Pleistocene

glaciation? According to Milankovitch, variations in what three parameters of Earth's orbit were responsible for the onset of Pleistocene glaciation? What will be an ideal response?

Environmental & Atmospheric Sciences