Residents of a town are concerned that a recently built factory could pose the health risks. scientists were asked to investigate the effects of the factory on the health of local residents. the most relevant information they reported was

Although the options are missing, I have encountered this question before. Here, the correct option is, "local medical facilities have recently reported at 15% increase in the number of patients treated for asthma.".
This information is most relevant because it is objective, and void of opinion. The scientists collected relevant data and and compiled them to form results that indicate a possible correlation between the health of the residents and the recent establishment of a factory.

We can plant more trees and plants.

Ithink its c hope it : )