What combination of conservation techniques will best reduce soil loss from a sloped field?
A. Decreasing slope angle; plowing down the slope
B. Decreasing slope angle; plowing across the slope
C. Increasing slope angle; plowing across the slope
D. Increasing slope angle; plowing down the slope
Answer: B
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The primary language family found in most of Mexico, the U.S. and Southern Canada is
A) Dravidian B) Altaic C) Indo-European D) Khoisan E) Austronesian
How does weather radar estimate precipitation amounts and distances?
What will be an ideal response?
In a conditionally unstable atmosphere, the environmental lapse rate will be ____ the moist adiabatic rate and ____ the dry adiabatic rate
a. greater than; less than b. greater than; greater than c. less than; greater than d. less than; less than e. the same as; the same as
The long-term effect of increasing ocean heat content is that it
A) contributes to global climate change by gradually raising air temperatures. B) causes a shrinkage of ocean volume, offsetting sea level rise. C) will cool the atmosphere and offset air temperature increases. D) will reduce the rate of melting of glaciers and polar ice caps.