1. The total amount of solid material dissolved in water is known A. load B. salinity Csolute D. insoluble residue radiation in sunlight. 2. Ozone filters out most of the A. infrared B. gamma C, ultraviolet D. microwave 3. The lowest layer of the atmosphere is the A. troposphere B. mesosphere C. stratosphere D ionosphere is high and is low 4. Salinity in the ocean is highest in regions where ocean is highest in regions where A evaporation, precipitation B. precipitation; evaporation C. temperature; evaporation D. precipitation temperature 5. The north end of Earth’s axis is tilted 23.5 degrees toward the Sun on A. December 21 or 22 B. March 21 or 22 C. June 21 or 22 D. September 22 or 23 6. An air mass from the Gulf of Mexico is labeled А ср B.MP D. mT C. cT 7. A maritime Polar (mP) air mass is A. cold and dry B. cold and humid C. warm and dry D. warm and humid 8. Thermoclines in the ocean are best developed at A lower latitudes B. higher latitudes C. both high and low latitudes D. regions close to continents 9. Cold fronts and warm fronts in the middle latitudes are often associated with a A hurricane B. middle-latitude cyclone C. low pressure D. both B and C 10. When an active cold front overtakes a warm front, A. the fronts cancel one another out B. cloud formation ceases C. an occluded front forms D. a stationary front is created 11. For a given air mass, what would happen to the relative humidity value if it’s temperature decreased and water vapor re A. It would increase. B. It would decrease. C. It would remain the same. D. It depends on the dew point temperature.
12. Usually fronts produce several hours to days of moderate-to-gente precipitation over a large region. B. cold D. none of these C. warm and cold 13. Lichtning is most prominent in A status clouds B. cumulus clouds C. cumulonimbus clouds D. altocumulus clouds Ocean is largest 14. The A Atlantic Indian B. Pacific D. Arctic 15. Density in seawater is determined by A temperature B. salinity C. both temperature and salinity D. none of these 16. Which of the following gases is an efficient absorber of the earth’s emitted energy? A. oxygen B. carbon dioxide C. argon D. nitrogen 17. Which one of the following statements is true about the equinoxes? A. They occur in June and December. B. The Sun’s vertical rays are striking either the Tropic of Cancer or the Tropic of Capricorn. C. Days and nights are equal in length everywhere. D. The length of daylight at the Arctic and Antarctic Circles is 24 hours. 18. Clouds can decrease the range of daily temperatures because A. the clouds reflect solar radiation back into space during the day B. the clouds diffuse the solar radiation so it is spread out over a larger area C. the water vapor absorbs the heat from the earth and sends reflects it back to the ground maintaining a uniform ground the day D. the clouds store heat and that helps to maintain a uniform temperature at night and during the day 19. Earth receives energy from the Sun in this way. A. conduction B. convection C. radiation D. all of these 20. organisms live on or in the ocean bottom A. Nektonic B. Planktonic C. Scavenging D. Benthonic 21. What limits/controls ocean productivity in temperate oceans? When is the greatest time for marine production
1. The total amount of dissolved solid in water is known
2. The Ozone filters out most of the ultraviolet
radiation from sunlight.
3. Troposphere is the lowest layer of
4. Salinity in the ocean is highest in the regions where
evaporation is high and precipitation is low.
7. A maritime polar air mass is cold and
9. Cold front and warm front in mid latitude are often
associated with mid latitude cyclone.