Riding a bike reduces what?
energy usage Greenhouse gasses acid rain harmful substances Greenhouse gases temperature prolactin release storms
A B C D E F G H
City employees use bicycles on the job to save energy and reduce air pollution.
using a bike saves energy
Riding a bike reduces what? (A) energy usage (B) Greenhouse gasses (C) acid rain (D) harmful substances (E) Greenhouse gases (F) temperature (G) prolactin release (H) storms