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
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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
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.
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.
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