Which of the following is true about forces and energy imposed on Earth from space?
A. Sun's electromagnetic energy is all blocked by Earth's protective atmosphere.
B. Internal processes within the Moon produce light during the night.
C. Our massive Sun is the only object that exerts a gravitational pull on Earth.
D. All of these choices are correct.
E. None of these choices are correct.
Answer: E
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Suppose it is snowing outside and the air is saturated. The air temperature and dew point are both -9ºC, and the actual vapour pressure is 3 hPa. If this air is brought indoors and warmed to 24ºC, what would be the relative humidity of this air, assuming that its moisture content does not change? (The saturation vapour pressure at 24ºC is 30 hPa.)
A. 50% B. 5% C. 10% D. 30%
The spread of ideas from nodes of power to other places is an example of
A) expansion diffusion B) contagious diffusion C) hierarchical diffusion D) stimulus E) relocation
What is the bending of waves as they approach the shoreline called?
a. wave base b. wave period c. wave refraction d. wave retardation e. wave diversion
Clays can remain suspended in a water column for decades before settling due to their small size
Indicate whether the statement is true or false