No-till farming would be most beneficial for farmers
A) with steeply sloped fields.
B) who plant a cash crop every third year.
C) who typically experience minimal soil erosion.
D) using contour strip cropping.
A
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Forests do NOT
A) store carbon that otherwise would be in the atmosphere. B) absorb carbon dioxide and release oxygen. C) reduce erosion and aid in flood prevention. D) cover only 3 percent of the Earth's surface.
How does water dissolve sodium chloride (NaCl)?
A) ?Water molecules neutralize sodium ions (Na+) and chloride ions (Cl-). B) ?The polarity of water causes the sodium ion (Na+) to separate from the chloride ion (Cl-). C) ?When seawater evaporates, its ionic components combine to dissolve table salt. D) ?Water molecules expand causing sodium ions (Na+) and chloride ions (Cl-) to decompose.
A water molecule is composed of three different kinds of atoms.
Answer the following statement true (T) or false (F)
Significant sources for dust and other particulates in the atmosphere include all of the following except
A. combustion products of fuel, including soot, smoke and ash as well as vegetation burning, planned fires or wildfires. B. building demolition. C. wind Erosion. D. glacial melt.