CFU 1.8 - Natural and Anthropogenic Climate Change

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Answer the following questions based on the assignments, lecture notes, discussion, homework from the previous lesson

Name *

1. IDENTIFY how the Milankovitch cycles affect climate patterns on the earth *

1 point

Changes in seismic activities affecting the release of CO2 into the atmosphere

Changes in the amount of sunlight being absorbed by the earth's surface

Slight variations in the tilt and orbit of the earth affecting the direction and intensity of the sun's radiation

Seasonal differences in temperature that fluctuate between the northern hemisphere and the southern hemisphere based on the amount of direct solar radiation

2. Which of the following would NOT be a reason for natural changes in the Atmospheric composition *

1 point

Methane produced by the decomposition of organic materials.

Volcanic eruptions resulting in more ash in the atmosphere

Burning Fossil fuels for the production of electricity

3. How are changes in global climate affecting the ice cap? (Check all that apply) *

1 point

Arctic Sea Ice Extent decreasing

Glacial mass decreasing

Decline in snow cover in the Northern Hemisphere

Increase in ice loss from Ice caps

Required

4. Based on the Scientific consensus, are humans having a marked affect on atmospheric composition as a result of the increased burning of fossil fuels? *

1 point

Yes

Also yes

100% yes

5. Explain one way that an increase in average temperatures may affect species distributions (provide an example) *

1 point

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