if air at sea level with a temperature of 27 degrees C is forced up a mountain slope and the air's dew point at the condensation level is 14 degrees C, at what elevation will condensation begin?
2600 meters
1400 meters
2700 meters
1300 meters
1300 meters
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How would you describe light generated by heating pure elements if it was observed through a prism or spectroscope?
A. You would see a rainbow of colors. B. You would see one line of emitted light, but it would be different for each element. C. You would see a series of very sharp lines of emitted light. D. Light is absorbed by heated elements so you would not see anything. E. none of the above
Acute toxicity differs from chronic toxicity in which of the following ways?
A. Acute toxicity has a low LD50. Chronic toxicity has a high LD50. B. Acute toxicity can occur with a single exposure. Chronic toxicity requires repeated exposures. C. Acute toxicity results in death. Chronic toxicity results in serious illness. D. All of these statements are correct. E. None of these statements is correct.
Once developed, a climate classification system can be considered complete; i.e., it needs no further revision
Indicate whether the statement is true or false
Earth hits its perihelion position in January. Solar radiation is proportional to the distance squared between the sun and the earth, so why isn't it hot in "winter" at perihelion?
A) Precession modifies the effect as the earth wobbles on its axis. B) The ellipticity of the orbit is small, so the affect is small; seasons are caused by tilt of the earth's orbit. C) It is; it is called summer in the Southern Hemisphere, and there is just a time lag for the Northern Hemisphere. D) None of these is correct.