Answers created by James J.
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What is the major gas contributing to dry air?
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How many chambers does a frog's heart have?
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Are they going to start selling hydrogen fuel cell cars any time soon?
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Question #4f559
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The Sahara in North Africa and the Australian desert, as well as others, are associated with which pressure zone?
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Why aren't we using hydrogen fuel cell vehicles?
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What percentage of the atmosphere is oxygen?
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Do hydrogen fuel cell cars emit carbon dioxide?
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Why would there be desert in North Africa?
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Are there planets in the Zeta Reticuli binary star system?
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Question #52657
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What are the temperatures in the thermosphere like?
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How do scientists classify air masses?
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Question #d6555
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Question #654af
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How would conditions on the surface of the earth be different without greenhouse gases?
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Question #cad5f
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What is the term for heat transfer because of the movement of a gas?
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Are vapor pressure and temperature directly or inversely related?
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What are the circulation pattern cells in the earth's atmosphere near the equator?
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Question #ebd7a
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Fossils can be found in what rock type?
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Question #93a23
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How is ozone made in the atmosphere?
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Question #fcb10
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How is a star different from a planet?
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Question #5d281
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What type of dune forms at right angles to the wind when there is abundant sand, a |ack of vegetation, and a constant wind direction?
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What are some characteristics of the main global wind systems?
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Question #d27aa
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How do mountains affect temperature on both the windward side and the leeward side?
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What factors are responsible for the general direction in which low pressure centers move across the contiguous United States?
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Question #06a71
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Explain the physical change that causes clouds to form?
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Question #3e176
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Question #78fa3
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Question #bcb57
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Question #3b449
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Why do red giant stars produce energy?
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Question #ba065
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Why does the atmosphere of the gas giants not escape into space?
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Question #98725
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What percentage of the earth's atmosphere is hydrogen?
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What causes convection to happen?
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Question #920d9
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What does relative humidity describe about air?
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Ice fishing is a popular sport in the winter. What properties of water is this sport based on?
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Which volcano is located in the Philippines?
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Why do the common names of organisms like "daisy" or "mountain lion" often cause problems for scientists?
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In what units is wind speed measured?
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Question #3bdfe
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What movie about climate change and the environment is Al Gore famous for?
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In any chemical reaction, is the mass of the products is less than the mass of the reactants?
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What clouds appear long, flat, and spread across the sky?
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The Mohs scale is a measure of what of a mineral?
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Question #3847e
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Question #dd106
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Why is the natural greenhouse effect important?
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What causes an ocean breeze to blow?
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Is it true that, at room temperature, water is only present in liquid form?
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What line of latitude is the northernmost point on earth that receives direct light from the sun?
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Question #19d32
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Which of the following groups was associated with fascism: Red shirts, green shirts, brown shirts, or black shirts?
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Question #95456
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Question #eb380
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Question #c26f4
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Question #c1228
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How are climate anomalies computed?
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What would happen to air temperatures in the troposphere if carbon dioxide were removed from air?
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Why do convection currents rise in air?
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How many active volcanoes are in Antarctica?
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You wake up and find yourself surrounded by ferns, trees, flying birds, and different types of dinosaurs. Which era did you wake up in?
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What are the main types of air masses?
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What happens when the temperature goes below the dew point?
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Bones are part of which system?
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Question #e1b46
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Does our solar system itself revolve around anything?
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Does ozone smell like anything?
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Much of Botswana is covered by what southern African desert?
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What evolutionary milestone involving animals occurred during the Devonian Period?
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Why do you think meteorologists use these symbols rather than writing out weather information?
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What is the highest volcanic mountain in Africa?
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Question #f3d7e
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What was the dominant life form during the Mesozoic Era?
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What are the effects that a large-scale volcanic eruption can have on the global climate?
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Why do hurricanes form in tropical latitudes?
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When snow melts, what happens to the surrounding air?
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If the weather becomes stormy for a short time and then becomes colder, which type of front has most likely passed?
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How can the universe be expanding?
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How many known planets are in the universe? How many do astronomers estimate there to be?
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Can we reach the nearest star? How far is it from earth?
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Question #36a75
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What are the most abundant gases in the atmosphere?
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What are high altitude clouds?
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How are typhoons formed?
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How do quasars get their energy?
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What are sea and land breezes caused by?
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What are factors that affect the density of an air mass?
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What three ways is thermal energy transferred in the atmosphere?
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Who won the second Crusade, Christians or Muslims?
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