quiz lesson 4

So2 when emitted into the atmosphere

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Unformatted text preview: sand years ago) is _____. Correct B ) about 9 degrees F The difference in average temperature between today and the last Ice Age (10,000 to 12,000 thousand years ago) is about 9 degrees F PM2.5 describes the "fine" particles that are _____ 2.5 µm (micro meter) in diameter. Correct B ) smaller than or equal to PM2.5 describes the "fine" particles that are smaller than or equal to 2.5 µm (micro meter) in diameter. Atmospheric concentrations of methane in the last 150 years have _____. Correct B ) increased Atmospheric concentrations of methane have increased in the last 150 years Oceans are vital in the energy balance of the earth. Correct A ) TRUE Oceans play a vital role in the energy balance of the Earth. It is known that the top 10 feet of the oceans can hold as much of the heat as the entire atmosphere above the surface. However, most of the incoming energy is incident on the equatorial region Nitric acid is formed when _____. Correct A ) NO is oxidized in the atmosphere to form NO2 and then dissolved in clouds Most of the NOx that is emitted is in the form of NO. This NO is oxidized in the atmosphere to NO2. NO2 is soluble in water and forms HNO2 (nitric acid) Acid rain damages trees in which of the following manners? Correct A ) removes soil nutrients Acid rain does not usually kill trees directly. Instead, it is more likely to weaken trees by damaging their leaves, limiting the nutrients available to them, or exposing them to toxic substances slowly released from the soil High clouds do not trap the infrared radiation that enters into the Earth's atmosphere. Correct B ) FALSE High clouds trap the infrared radiation that enters into the Earth's atmosphere and thereby help in heating the Earth. Which one of the following chemicals leads to the destruction of ozone? Correct C ) CFCs CFCs lead to the destruction of ozone Earth is a natural greenhouse. Correct A ) TRUE The atmospheric gases in addition to oxygen and nitrogen contain gases such as carbon dioxide, water vapor, methane (CH4)...
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This note was uploaded on 09/24/2013 for the course EGEE 102 taught by Professor Pisupati,sarmave during the Spring '07 term at Penn State.

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