Which natural event can result in air pollution? 1. burning fossil fuels
2.littering a stream
3.runoff from farms
4.volcanic eruptions

Number 1.

Explanation:

Burning fossil fuels leads to air pollution from smoke and other chemicals, causing the ozone layer to burn out, and the earth to take in more radiation from the sun.

1. a host loses nutrients to a parasite

2. a parasite only benefits when the host is alive (cause if the host dies the parasite dies with it )

3. producers to consumers

4. the tapeworm is a parasite

5. they convert energy from the sun (photosynthesis)

6. sunflower-robin (i think im 80% sure)

7. producer

8. consumer

9. prey

10. fresh water snails ( cause the green algea is the producer and the snails are the primary consumers and the small fish consumer so is the big fish)