Climate Change

What is Methane produced by?

• Combustion & Vehicle Exhaust

• Anaerobic Respiration & Methanogenic Bacteria

• Evaporation & Transpiration

• Anaerobic Respiration & Combustion

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Which are Greenhouse Gases? Select all of the following that apply.

• Hydrogen

• Nitrous Oxide

• Methane

• Water Vapor

• Nitrogen

By which mechanism do greenhouse gases contribute to global warming?

• They absorb higher amounts of short wave radiation caused by increased combustion of fossilized organic matter.

• Their higher concentration absorbs more long wave radiation coming from the Sun.

• Short wave radiation emitted from the Earth's surface increases with their concentration.

• They absorb higher amounts of long wave radiation emitted from the Earth's surface as their concentration increases.

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If the concentration of Greenhouse Gases rises, then...

• more heat will be retained.

• more heat will be released.

• more water vapor will be retained.

• more nitrogen will be released.

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What can an increase in the greenhouse effect result in?

• increase in the amount of alien/invasive species.

• the disruption of ecological niches due to competition

• decrease in the amount of food (prey)

• all of the above

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T/F: Some greenhouse gases are naturally present in the Earth's atmosphere

• True
• False

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What is Biomass?

• a significant change in the Earth's climate, including changes in weather patterns, the oceans, ice and snow, and ecosystems around the world.

• a marine ridge or reef consisting of coral and other organic material consolidated into limestone.

• material that comes from living things, including trees, crops, grasses, and animals and animal waste

• a type of fuel produced from plants or other forms of biomass. Examples of biofuels include ethanol, biodiesel, and biogas.

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What is the correlation between global temperature and C02 concentrations?

• There is no correlation between the two.

• The higher the temperature, the less c02 is present.

• The higher the temperature, the more C02 is present.

• The lower the temperature, the more C02 is present.

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Why are ice cores useful to scientists?

• They are used to measure the Earth's current temperature.

• They allow for scientists to measure the amount of radiation is being received by the Earth.

• They can be used to measure to the rising ocean levels over certain periods of time.

• They allow for scientists to see changes in temperature and the amount of C02 in the atmosphere at the time the ice was formed.

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What do records from the twentieth and twenty-first century show about the concentration of carbon dioxide in the atmosphere?

• An upward trend with no annual fluctuations

• An upward trend with annual fluctuations

• Annual fluctuations but no overall trend

• Random fluctuations and no overall trend

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