Chemistry, asked by desilvarasangi5, 1 month ago

The global atmospheric concentration of carbon dioxide has increased in the last 200 years. What could be causing this increase

1. emissions from motor vehicles
2. photosynthesis
3. power stations using coal and oil
SELECT ONE
1 and 2 only

1 and 3 only

2 and 3 only

1, 2, and 3

Answers

Answered by diyadey50
1

Answer:

1 and 3 only

Explanation:

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