Acar is traveling south at a speed of 62 miles per hour and then begins traveling at a speed of 63 miles per hour but continues traveling in the same direction. which of the following has changed? a. volume b. mass c. density d. velocity

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

Infrared rays have a shorter wavelength than question 11 options: x-rays. ultraviolet rays. radio waves. gamma rays.

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.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