Practitioners of shifting cultivation usually begin the process of clearing a new field when
A) the government tells them to do so.
B) they are certain the last frost is past.
C) the soil of the old field is depleted of nutrients.
D) the women vote to do so.
E) seasonal and annual rainfall patterns shift.
Answer: C
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A hydrogen bond is a special type of
A. dipole-dipole attraction involving hydrogen bound to a highly electronegative atom B. attraction involving any molecules that contain hydrogens C. dipole-dipole attraction involving hydrogen bound to another hydrogen atom D. dipole-dipole attraction involving hydrogen bound to any other atom E. none of the above
What type of bioregion is most often found along the equator? A) Mediterranean
A) Mediterranean woodland
B) tundra
C) tropical forests
D) broadleaf or mixed broadleaf and coniferous forest
E) coniferous forest
Why do rocks deform?
What will be an ideal response?
There are currently no known asteroids with a Torino scale rating 3 or above.
Answer the following statement true (T) or false (F)