Why is fiber essential in a healthy diet?

A) It contains essential amino acids.
B) It contains essential fatty acids.
C) It is necessary for proper functioning of the digestive system.
D) All of the above are correct.


C

Environmental & Atmospheric Sciences

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What technology made suburbs possible?

A) automobiles B) highways C) telephones D) electrical energy E) all of the above

Environmental & Atmospheric Sciences

Between 1981 and 2009 in the United States, the annual average of fire deaths ________ and the annual average economic damage to structures due to fires ________.

A. decreased; increased B. decreased; decreased C. increased; increased D. remained flat; decreased slightly E. increased; decreased

Environmental & Atmospheric Sciences

The main source of the dissolved load in a stream is ________

A) material along the sides of the stream channel B) material along the bottom of the stream channel C) groundwater D) cut bank soil E) salt flats

Environmental & Atmospheric Sciences

When sand lithifies, the resulting rock is commonly called ________

A) conglomerate B) breccia C) shale D) sandstone

Environmental & Atmospheric Sciences