Unit 2 Exam Part 1 You have 35 minutes left to take the quiz. Question 1: The Ea

Question

Unit 2 Exam Part 1 You have 35 minutes left to take the quiz. Question 1: The Earth's atmosphere can increase in temperature because warm air cannot escape, as in a greenhouse molecules in the atmosphere absorb radiation from Earth and retain that heat fossil fuels release heat plants absorb CO2 plants release CO2 Question 2: The Earth's average albedo is about.3. This means that 30% of the energy from the Sun is absorbed by Earth 70% of the radiation from the Sun is reflected back to space 70% of the radiation from the Sun is absorbed by the Earth 3% of the radiation from the Sun is reflected back to space .7% of the radiation from the Sun is reflected back to space Question 3:What are the three factors that determine Earth's climate? Energy from the Sun, ocean temperature, and population Human consumption, population, and atmospheric composition Energy from the Sun, atmospheric composition, and albedo OAlbedo, energy from the Sun, and ocean temperature Plate tectonics, energy from the Sun, and albedo Question 4: Volcanic eruptions can cause cooling due to

Explanation / Answer

1. warm air cannot escape, as in a greenhouse.

2. 30% of the energy fro the sun is absorbrd by the earth.

3. albedo, energy from the sun & ocean temperature.

4. reflectio of incident radiation from the sun by aerosols produce by sulfur dioxide gas.

5. false.

6. fresh snow (it reflects 80 - 90% radiation).

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