2. Describe Maslow's hierarchy of needs. Make sure to provide your own description of each level of needs.

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

What kind of simple machine is a catapult?

10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 j 1: write the equation2: list out your known variables 3: plug the numbers into the equations 4: solve 5: write your solution statement that includes initial energy and final energy added you so much!