Which of the following increases the amount of carbon dioxide released into Earth's atmosphere?A.Melting permafrostB.PhotosynthesisC.Burning fossil fuelsD.Synthesizing hydrocarbons
Question
Which of the following increases the amount of carbon dioxide released into Earth's atmosphere?A.Melting permafrostB.PhotosynthesisC.Burning fossil fuelsD.Synthesizing hydrocarbons
Solution
The activities that increase the amount of carbon dioxide released into Earth's atmosphere are:
A. Melting permafrost: When permafrost melts, it releases carbon dioxide and methane, both of which are greenhouse gases that contribute to global warming.
C. Burning fossil fuels: This is the primary source of carbon dioxide emissions. When we burn fossil fuels like coal, oil, and gas for energy, they release carbon dioxide.
D. Synthesizing hydrocarbons: This process also releases carbon dioxide. Hydrocarbons are organic compounds made up of hydrogen and carbon. When they are synthesized or burnt, they release carbon dioxide.
B. Photosynthesis, on the other hand, is a process that removes carbon dioxide from the atmosphere. Plants absorb carbon dioxide and sunlight to produce oxygen and glucose, a type of sugar.
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