Marine Science Midterms...
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“Midnight Sun†is a phenomenon observed in Northern Hemisphere polar regions only when the Sun is directly above:
1)The South Pole
2)The Equator
3)The Tropic of Capricorn
4)The North Pole
5)The Tropic of Cancer - 2) The Equator
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Air descends (sinks) at:
1) the Equator and 30 degress latitude.
2) 30 degrees latitude.
3) 60 and 90 degrees latitude.
4) all of the above.
5) none of the above. - 2) 30 degrees latitude.
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Areas of high atmospheric pressure (at Earth's surface) generally experience what kind of conditions?
1) sinking air, with cloudy, rainy weather.
2) rising air, with dry, clear weather.
3) rising air, with cloudy, rainy weather.
- 4)sinking air, with dry, clear weather.
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At the time of the vernal equinox, the sun is directly overhead at:
1) The Equator
2) The Tropic of Cancer.
3) The Arctic Circle.
4) The Tropic of Capricorn. - 1) The Equator
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Legend holds that the horse latitudes derived their name from sailors who, in desperation, threw horses overboard because the sailors were:
1) adrift in the doldrums
2) illegally in "the trades".
3) stuck between the trade - 3) stuck between the trades and the westerlies.
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Ninety percent of people that are killed by hurricanes are killed by:
1) intense rainfall.
2) storm surge.
3) high winds and flying debris.
4) poorly built buildings
5) looting and raiding by people after the hurricane has - 2) storm surge
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Overall, the gas that contributes the greatest amount of greehouse warming is:
1) carbon dioxide.
2) water vapour.
3) methane
4) sulfur dioxide.
5) oxygen. - 2) water vapour.
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Rising warm air is associated with regions of ________ atmospheric pressure caused by thermal ________.
1) high; compression
2) low; compression
3) high; expansion
4) low; expansion - 4) low; expansion
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The iron hypothesis states that:
1) carbnon removal in forests can be encouraged by planting genetically developed iron-rich trees.
2) productivity in the ocean can be stimuulated byt adding iron.
3)seeding clouds with finely groun - 2) productivity in the ocean can be stimulated by adding iron.
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The primary reason that Earth has seasons is because:
1) Earth's rotational axis is tilted .
2) the sun's intensity varies with the seasons.
3) Earth's eliptical orbit brings it nearer to the sun during the summer.
4) the days - 1) Earth;s rotational axis is tilted.
- True or False? A land breeze flows from land to sea.
- TRUE.
- True or False? Air typically moves from regions of high atmospheric pressure towards regions of low atmospheric pressure.
- TRUE.
- True or False? The major wind belts of the world are generated by the lowermost portion of Earth’s atmospheric circulation cells.
- TRUE.
- True or False? The surface winds of an anticyclone in the Southern Hemisphere rotate counterclockwise.
- TRUE.
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Which of the following statements is NOT true about the Coriolis effect?
1) The Coriolis effect is strongest at the poles and decreases to zero at the Equator.
2) The Coriolis effect tends to increases of decreases the speed of moving obj - 2) The Coriolis effect tends to increase or decrease the speed of moving objects.
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The tilt of the Earth's axis of rotation with respect to the ecliptic is...
1) 2.3 degrees
2) 23.5 degrees
3) 25.3 degrees
4) 12.3 degrees
5) 32.5 degrees - 2) 23.5 degrees.
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The most abundant gas in the atmosphere is...
1) oxygen
2) water apour
3) carbon dioxide
4) nitrogen - 4) nitrogen
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Which of the following would be the least abundant gas in the atmosphere?
1) carbon dioxide
2) oxygen
3) water vapour
4) nitrogen - 1) carbon dioxide
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Which air mass would be the least dense?
1) hot humid
2) cold dry
3) cold humid
4) hot dry - 1) hot humid
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A moving mass that was travelling northward in the northern hemisphere would be apparently deflected to...
1) the west
2) upward
3) the east
4) the south - 3) the east