TREE PHYSIOLOGY
PHOTOSYNTHESIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The average temperature of the surface of Earth has increased approximately 1
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lower levels of ozone in the atmosphere
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lower levels of nitrogen in the atmosphere
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higher levels of carbon dioxide and other greenhouse gases in the atmosphere
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higher levels of oxygen in the atmosphere
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Explanation:
Detailed explanation-1: -Global warming is the unusually rapid increase in Earth’s average surface temperature over the past century primarily due to the greenhouse gases released as people burn fossil fuels.
Detailed explanation-2: -Highlights. Earth’s temperature has risen by an average of 0.14° Fahrenheit (0.08° Celsius) per decade since 1880, or about 2° F in total. The rate of warming since 1981 is more than twice as fast: 0.32° F (0.18° C) per decade.
Detailed explanation-3: -Global warming describes the current rise in the average temperature of Earth’s air and oceans. Global warming is often described as the most recent example of climate change.
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