How do ecosystems differ across the united states

The reason ecosystems differ across the United States is because there are many different climates and many ecosystems have adapted to the place around them, learning to benefit off of what they've been given.

This is what i found on google “kinetic energy. energy is transferred from one object to another when a reaction takes place. energy comes in many forms and can be transferred from one object to another as heat, light, or motion, to name a few. this energy would be in the form of motion, with the person lifting the blue ball to a higher level.” i hope this you

//(b) both involve the use of levers;