Biology, 29.01.2020 17:45 itsyagirlgona21
1. compare the average global temperatures from the early 1900’s and the early 2000’s. how has the
average global temperature changed over the last century?
2. complete the chart using information found during your research.
3. explain the relationship between the amount of greenhouse gases present in our atmosphere and the
change in temperatures over the last century.
4. describe at least two things people can do today to protect earth and reduce levels of co2.
5. briefly explain how greenhouse gases, carbon dioxide in particular, can absorb and radiate heat inside
earth’s atmosphere and thereby contribute to the greenhouse effect.
6. read "what triggers ice ages? " briefly describe what you think the world would be like if the amount of
greenhouse gases in the atmosphere were reduced to levels like those during the ice age.
Answers: 2
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1. compare the average global temperatures from the early 1900’s and the early 2000’s. how has the
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