What is not caused by riding a bike?
momentum flooding coal disease speed Allergies litter exercise
A B C D E F G H
Visual pollution caused by littering is pollution, just as is water pollution and air pollution.
Riding a bike does not cause litter.
What is not caused by riding a bike? (A) momentum (B) flooding (C) coal (D) disease (E) speed (F) Allergies (G) litter (H) exercise