Answer:
A) Power plant
Explanation:
The key to understanding this question, is first knowing what "stationary" means. When something is stationary, it doesn't move, it just stays in one place.
Since power plants are buildings, they naturally don't move. On the other hand, the other choices are all vehicles that are intended to move. So while all of these options do cause air pollution, the power plant is the only one that is stationary.
I hope this answer helps you :)
Crude oil I think but im not sure
The role a species plays in the ecosystem is called its niche.
Answer:
A
Explanation:
Photosynthesis produces carbon dioxide, while cellular respiration produces oxygen