Do you think acid rain also affect crops.

Acid rain cause slower growth, injury, and kills forests, however they don't actually kill trees or crops that instantly rather it slows down their growth in producing leaves and crops and speaking of crops it doesn't affect that badly because farmers put chemicals in crops so that is why there is little affect 

Yes acid rain effects crops this is because it mixes with the soil and the crops become a poison for us

Which one is the underlined word?