Which of these is a helpful interaction that harms no animal

The length of a vector arrow represents its magnitude and the point represents its direction true or false apex

Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j

How have the greenhouse gasses increased from the year 2000 to 2018