Student14387idn
Answered

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Guide Questions:

1. How does the greenhouse effect work? _______________________________________________________________________________________

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2. Is the Earth heating up? Explain your answer. _________________________________________________________________________________

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3. How do you compare the greenhouse effect between Venus and Earth? What gas is present in Venus? What is the average temperature in Venus?

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Generalization:

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---------------- Skills Workout ----------------

1. What will be the life on Earth in the year 2050? Explain

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2. How do the sources of greenhouse gas affect human activities on Earth?

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----------- Mind Challenge ------------

Fill in the blanks. Write the term that completes the statement.

1. ______________________ is a mixture of nitrogen, oxygen, and small amounts of other gas that surrounds the Earth and form its atmosphere.

2. ______________________ are solvents and used as refrigerants, foam blowing agents that cause the depletion of the atmospheric ozone layer.

3. ______________________ a form of oxygen which in a layer in the atmosphere ; screens out harmful ultraviolet rays from the sun.

4. ______________________ it is a transfer of heat by the circulation or movement of the heated parts of a liquid or gas.

5. ______________________ it is the most important greenhouse gas that is added to the atmosphere , which is produced by several natural processes and human activities.

Sagot :

Ron101idn

Answer:

1. Solar energy absorbed at Earth's surface is radiated back into the atmosphere as heat. As the heat makes its way through the atmosphere and back out to space, greenhouse gases absorb much of it.

2. These hydrocarbons heat up the planet via the greenhouse effect, which is caused by the interaction between Earth's atmosphere and incoming radiation from the sun.

3. Venus is similar to Earth in terms of size and mass, but its surface temperature is about 460 degrees Celsius. This is hot enough to melt lead! The Venusian atmosphere is mainly made up of carbon dioxide, a greenhouse gas. On Earth, carbon dioxide makes up only a tiny fraction of the atmosphere.

Hernandezmaxine12idn

1. The greenhouse effect is a natural process that warms the Earth's surface. When the Sun's energy reaches the Earth's atmosphere, some of it is reflected back to space and some is absorbed and re-radiated by greenhouse gases.

2.Over millions of years, Earth's climate has warmed up and cooled down many times. However, today the planet is warming much faster than it has over human history. Global air temperatures near Earth's surface have gone up about 2 degrees Fahrenheit in the last century.

3.Earth's greenhouse gas atmosphere has an average of 78.9% absorption efficiency of terrestrial radiation (f = 0.789), while we assume Venus' atmosphere has a near 100% absorption efficiency (f = 1) due to its denser, CO2-rich atmosphere.