Approximately 30% of all solar energy is reflected back into space. If 20% of the incoming solar energy is absorbed into the atmosphere and clouds, how much is absorbed by Earth's surface?

50% Will be absorbed by the earth's surface

answer:   option a) glucagon was secreted by his pancreas before he ate the cookies because blood glucose was low. insulin was secreted after he ate the cookies because his blood glucose was high.

explanation:

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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