The month in which the Earth makes its closest approach to the Sun is known as the ________, which varies on a 19,000 year cycle.
A. perihelion
B. wobble
C. axial tilt
D. eccentricity
Answer: A
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Deforestation causes an increased risk of ________
A) hurricanes B) malaria C) cholera D) mudslides
Draw a diagram showing how air temperature normally changes with height. Begin at the ground and end in the upper thermosphere. Be sure to label the four main layers. Give one important characteristic of each layer. Where on your diagram would the top of Mt. Everest, the ozone layer, and the ionosphere be found?
What will be an ideal response?
Soils will develop at faster rates in which of the following environments?
A) Hot and dry B) Warm and humid C) Cold and dry D) In areas where they can develop directly from bedrock, regardless of climate conditions
Scan the Discharge (column 2) and Gage at Peak (column 3) data columns. As gage height at peak (stream depth) gets higher, what usually happens to the discharge?
What will be an ideal response?