Soil separates refers to

A) differing soil colors in a pedon.
B) individual mineral particles, such as sand, silt, and clay.
C) the different soil horizons.
D) pebbles, gravel, cobble, and other materials greater than 2 mm in diameter found in soils.


B

Environmental & Atmospheric Sciences

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Downcutting is usually most prominent along the _____ part of a stream valley.

a - upper b - delta c - interfluve d - lower e - none of the above

Environmental & Atmospheric Sciences

When are the Sun's rays perpendicular to Earth's surface at the equator? Choose all that apply.

A) March Equinox B) December Solstice C) June Solstice D) September Equinox

Environmental & Atmospheric Sciences

As a result of taboos against consuming pork, the number of pigs raised in different regions of the world has remained the same and even over the ages

Indicate whether the statement is true or false.

Environmental & Atmospheric Sciences

In a chemical reaction,

A) atoms are destroyed. B) atoms are rearranged to form different kinds of matter. C) new atoms are formed. D) new elements are formed.

Environmental & Atmospheric Sciences