1.
A) increased flooding B) coral bleaching C) melting glaciers D) increased global temperatures 2.
A) Clusters B) CME's C) Sunspots D) Solar flares 3.
A) greater B) negligible C) lesser D) not important 4.
A) 200,000 to 500,000 years B) 1,000 to 5,000 years C) 10,000 to 15,000 years D) 60,000 to 100,000 years 5.
A) tilted away from the sun B) farther away from the sun C) close to the sun D) tilted toward the sun 6.
A) rain B) weather C) plants D) sun 7.
A) cooler, warmer B) cooler, humid C) warmer, cloudier D) warmer, cooler 8.
A) midglacial periods B) antiglacial periods C) interglacial periods D) postglacial periods 9.
A) humidity B) precipitation C) air pressure D) vegetation 10.
A) water vapor B) hydrogen C) carbon dioxide D) oxygen 11.
A) volcanic eruption B) forest fires C) meteorite collision D) movement of Earth's crustal plates 12.
A) a plant's spiny leaves to prevent water loss B) fur on animals to protect from cold C) a plant's waxy texture to prevent evaporation D) hibernation 13.
A) Columbia B) The United States C) Thailand D) Iceland 14.
A) the distance between Earth and the sun B) the changing weather C) Earth's tilted axis D) Earth's rotation 15.
A) heat B) small particles of dust C) precipitation D) heat and precipitation 16.
A) Rainstorms, leeward B) Heat storms, windward C) Deserts, leeward D) Deserts, windward 17.
A) The equator receives the most direct sunlight. B) because all currents, warm and cool, begin near the equator C) Scientists are still unsure. D) because cool air rises and warm air falls 18.
A) rainstorms B) strong storms C) snow D) drought 19.
A) The atmosphere and air is thinner. B) The air is made of different kinds of molecules than the air at sea level. C) The air is thicker and has more molecules. D) The winds carry all the heat away. 20.
A) latitude B) longitude C) landform D) climate
.
