A calorie is a unit of.
Energy.
The Calorie used on food labels is equal to.
1000 calories<span>.</span>
Cytosine pairs with Guanine
Adenine and Thymine are pairs also
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Answer:
Carbon dioxide is added to the atmosphere by human activities. When hydrocarbon fuels ( wood, coal, natural gas, gasoline, and oil) are burned, carbon dioxide is released. During combustion or burning, carbon from fossil fuels combine with oxygen in the air to form carbon dioxide and water vapor.
These natural hydrocarbon fuels come from once-living organisms and are made from carbon and hydrogen, which release carbon dioxide and water when they burn.
Explanation:
So the answer is Fossil Fuels.
Answer:
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Centuries ago, living things were classified as either plants or animals. Today, the classification of living things helps us gain a better understanding of the world we live in, our relation to living things, and understanding Biology better overall.
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