Respuesta :
Answer:
Cutting down trees instead of growing trees raises levels in the atmosphere, and Using clean energy sources instead of fossil fuels decreases the co2 levels in the atmosphere.
Explanation:
We know that the cutting down of tree and more use of fossil fuels increase the carbon dioxide in atmosphere and we can overcome it by using clean energy sources instead of fossil fuels.
The options B and D the correct answer from each drop-down menu. The following sentence is about the tree cutting.
What are fossil fuels?
Fossil fuels are obtained beneath the earth's crust, which is formed due to buried plants and animals. The excessive heat under the earth crust heats the plants and animals.
Cutting down trees instead of growing trees raises levels in the atmosphere, but using clean energy sources instead of fossil fuels decreases the co2 levels in the atmosphere.
Hence, the options B and D the correct answer from each drop-down menu.
To learn more about the fossil fuel, refer to the link;
https://brainly.com/question/2029072
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