Imagine a large state park near your home. Which of the following are probably the most crucial and essential part of that park's ecosystem?

a. trees
b. birds
c. mammals
d. insects


Answer: d. insects

Environmental & Atmospheric Sciences

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According to the model of a wave cyclone life cycle, in which of the following situations does a storm system usually become most intense?

A. when it becomes a frontal wave B. when it becomes an open wave C. when it becomes a stable wave D. when it first becomes occluded

Environmental & Atmospheric Sciences

Why did Congress require the Environmental Protection Agency to establish minimum drinking water standards?

A) Long-term exposure to small amounts of chemicals was proven to be hazardous. B) Levels of contaminants in municipal drinking water systems rose to toxic levels. C) The long-term effects of small amounts of chemical contamination were unknown. D) Laboratory detection limits of common contaminants became much more sensitive.

Environmental & Atmospheric Sciences

The volume of soil does not stay constant but instead swells and shrinks.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

Forests dominate semiarid mid-latitude areas with hot summers, cold winters, and moderate rainfall

Indicate whether the statement is true or false.

Environmental & Atmospheric Sciences