Which of the following best describes soil?

A) Soil is composed of solely mineral fragments less than 2 mm in size.
B) Soil lacks biological material.
C) Soil is a renewable resource.
D) Soil is a dynamic natural material composed of water, air, mineral fragments, and organic matter.


D

Environmental & Atmospheric Sciences

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How deep is the wind gap, measured from the Forest Drive on the north rim to Braddock Road in the gap?

What will be an ideal response?

Environmental & Atmospheric Sciences

Jet streams are strong ________ that flow from ________

A) ocean currents; the equator toward higher latitudes B) air currents; west to east C) air currents; the equator toward higher latitudes D) ocean currents; continent to continent

Environmental & Atmospheric Sciences

Seasons only exist in highlands if they also exist in the nearby lowlands

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Which of the following is an inflow to an urban ecosystem?

A) polluted water B) polluted air C) heat D) natural resources E) solid waste

Environmental & Atmospheric Sciences