A fireman turns on a hose
and is knocked backwards.

World class speed skaters can skate a 3,000-m course in about 4 minutes. what is their average speed for this course. a. 12.5m/s b. 1.33m/s c. 13.3m/s d. 1.25m/s

Plz ! ive been stuck on this forever

Ecology can best be described as the study of what