The fact that all life cells depend on saline water suggests that life evolved in the ocean

a. True
b. False


True

Environmental & Atmospheric Sciences

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The mammal-like reptiles at the end of the Paleozoic were ____

a. thecodonts

b. therapsids c. protoavis d. hesperornis e. monotremes

Environmental & Atmospheric Sciences

Defend or critique Julian Simon’s argument that people are the “ultimate resource” and therefore the solution to resource scarcity is actually to increase population.

What will be an ideal response?

Environmental & Atmospheric Sciences

Which of the following types of cells is responsible for the release of antibodies?

A) macrophages B) dendritic cells C) B cells D) T cells

Environmental & Atmospheric Sciences

During the 1900s, the United States saw a transition from coal to natural gas furnaces, and today, few homes are directly heated with coal. All of the following are benefits of this transition except ________

A) a switch to a fuel that is much more abundant B) less truck traffic bringing fuel to homes C) a decrease in the release of greenhouse gases D) a decrease in acid precipitation

Environmental & Atmospheric Sciences