A climatologist is creating a simulation for Earth’s climate and is working on how to set it up. One of the options for the simulation is to increase methane in the atmosphere. How should the energy in the Earth system change when the amount of methane in the atmosphere increases?

• more energy in the Earth system and more energy absorbed by Earth’s surface, because less energy enters than exits.

• more energy in the Earth system and more energy absorbed by Earth’s surface, because more energy enters than exits.

• less energy in the Earth system and less energy absorbed by Earth’s surface, because more energy enters than exits

• less energy in the Earth system and less energy absorbed by Earth’s surface, because less energy enters than exits.

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There are some bacteria that release methane into the atmosphere. Scientists think that if the number of these bacteria decreased, the amount of methane in the atmosphere would decrease. What would happen to energy in the Earth system if methane in the atmosphere decreases?

• decrease, because less energy would enter than exit. This is because less exiting energy would be redirected (bounced) back toward Earth.

• decrease, because more energy would enter than exit. This is because less exiting energy would be redirected (bounced) back toward Earth.

• decrease, because less energy would enter than exit. This is because less energy would be trapped by gases and held in the atmosphere

• increase, because more energy would enter than exit. This is because less energy from the sun would be redirected (bounced) back toward outer space

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Changes in climate over a long period of time that can be caused by natural events or human activities.

• atmosphere

• energy

• fluctuation

• climate change

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Which two gases (when increased) cause an increase in temperature and energy absorbed and a decrease in ice?

• Methane

• Nitrogen Dioxide

• Sulfur Dioxide

• Carbon Dioxide

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Which of the following are consequences of climate change?

• Glaciers are shrinking and sea levels are rising

• Heat waves are longer and more intense

• Plant and animal habitat ranges are shifting

• All of the above

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The gradual increase in the average temperature of our planet Earth is called

• Greenhouse Effect

• Global Warming

• Greenland Effect

• Ice Age

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The gradual increase in the average temperature of our planet Earth is called?

• Greenhouse Effect

• Global Warming

• Greenland Effect

• Ice Age

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Scientists think that a large amount of carbon dioxide was released from rock on the ocean floor from 120 to 80 million years ago and that this led to increased carbon dioxide in the atmosphere. What happened to energy in the Earth system during this time?

• increased, because less energy entered than exited. This is because more exiting energy was redirected (bounced) back toward Earth.

• increased, because more energy entered than exited. This is because more exiting energy was redirected (bounced) back toward Earth.

• increased, because more energy entered than exited. This is because more energy was trapped by gases and held in the atmosphere.

• decreased, because less energy entered than exited. This is because more energy from the sun was redirected (bounced) back toward outer space.

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Global average temperature increases when __________ absorbed by the surface increases.

• air

• gases

• energy

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What trend are we seeing in Earth's temperature?

• Increase

• Decrease

• Stay the same

• No trend

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