HURRY PLEASE Which event is most likely to produce air pollution that would be harmful to human health?
1. the spread of a forest fire to several thousand acres
2. steam rising from a grate in a sidewalk
3. the release of steam generated at a nuclear power plant
4. water evaporating from the surface of a swimming pool

Number 1

Explanation:

The smoke from the fire will go everywhere and shortly but surely cause air pollution. hope this helped

The spread of a forest fire because it would kill the trees that are producing a mass amount of oxygen for us to use. The Amazon rainforest for example makes up  a whole 30% of Earth's entire oxygen supply.

Explanation:

you didn't give any options but heres what i can tell you: an inference is likely to change based on additional observations. the latter is something that you have seen or sensed using your sensory organs while the former is like a conclusion out from what you have observed.