What can teach animals how to behave?
adding heat humans fossil fuels A computer nerves people irradiation exercise
A B C D E F G H
Exercise is fun if it is also play.
Exercise can teach animals how to behave
What can teach animals how to behave? (A) adding heat (B) humans (C) fossil fuels (D) A computer (E) nerves (F) people (G) irradiation (H) exercise