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9. When humans burn fossil fuels it is called _______________ and contributes to global warming

by releasing excess carbon dioxide into the atmosphere.
a. erosion
b. photosynthesis
c. respiration
d. combustion

asked
User Magcus
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8.0k points

2 Answers

7 votes

Answer:

C: respiration

Step-by-step explanation:

answered
User Riceball LEE
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8.9k points
5 votes

Answer:

d. combustion

Step-by-step explanation:

answered
User Featherbelly
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7.8k points

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