Chapter 2: Solar Energy, Seasons, and the Atmosphere MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) During the process by which energy is produced inside of stars A) helium is fused together to form hydrogen B) hydrogen is fused together to form helium C) helium splits to form hydrogen D) hydrogen splits to form helium Answer: B 2) Weather is confined to the troposphere because A) cold air sinks from the stratosphere into the troposphere B) solar radiation does not heat other layers of the atmosphere C) terrestrial radiation provides no heat whatsoever to the other layers of the atmosphere D) the temperature of the stratosphere prevents tropospheric air from rising into it Answer: D 3) Which layer of the atmosphere contains noctilucent clouds? A) mesosphere B) troposphere C) stratosphere D) thermosphere Answer: A 4) In which of the following past Earth atmospheres did oxygen composition exceed 20%-an amount near to present levels? A) evolutionary atmosphere B) primordial atmosphere C) modern atmosphere D) living atmosphere Answer: C 5) Which of the following have been correlated with sunspot cycles? A) abnormally wet years B) droughts C) both a and b D) none of the above Answer: C 6) The two most abundant gases in the atmosphere are A) oxygen and carbon dioxide B) water vapor and carbon dioxide C) nitrogen and oxygen D) nitrogen and water vapor Answer: C 7) Which of the following is not a consequence of the solar wind?
A) disruption of radio communications B) auroras C) overloads of electrical systems D) creation of the Earth's magnetosphere Answer: D 8) Earth and the Sun formed specifically from A) a nebula of dust and gases B) other planets C) unknown origins D) the galaxy Answer: A 9) Based on temperature, the atmosphere is divided into A) two broad regions B) four regions: ranging from the troposphere to the thermosphere C) nitrogen, oxygen, argon D) two functional areas that absorb radiation from the Sun Answer: B 10) Which of the following results from radiation imbalances at different latitudes? A) ocean currents B) global winds C) hurricanes D) all of these E) none of the above Answer: D 11) What is the name of the location on the surface of the earth that receives insolation when the sun is directly overhead? (When this occurs, the sun's rays are perpendicular to this surface.) A) solar point B) North Polar point C) subsolar point D) zenith Answer: C 12) Which of the following accurately describes Earth's distance from the sun? A) The earth-sun distance averages 150 million kilometers (93 million miles). B) The earth is closer to the sun in January (perihelion) and farther away in July (aphelion). C) It takes light an average of 8 minutes and 20 seconds to travel from the sun to the
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