Oxygen is the common characteristic which helps fire to burn and a flowering plant to live on earth. When oxygen combines with a suitable chemical, it releases energy in the form of heat.
Energy input would be what's giving the source energy. Energy output is what energy it's giving out.
Answer:
The gases that contribute to the greenhouse effect include water vapor, carbon dioxide (CO2), methane, nitrous oxides, and chlorofluorocarbons (CFCs). On Earth, human activities are changing the natural greenhouse
Explanation:
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Answer: B. Osmosis Across a Membrane
The movement of water across a gradient is called osmosis.
Answer:
How bright the star appears at a standard distance of 32.6 light years or 10 parsecs.
Explanation:
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