Which of these is the best definition of biotechnology?? A) The study of chemical processes in living things

B) the use and application of living things and science

C) the application of engineering principles to solve medical problems

D) the study of forces

How does the motion of particles in a gas change as the gas cools

Which of these is an intensive property of a substance

A2-kg bowling ball is 1 meter off the ground on a post when it falls. just before it reaches the ground,its traveling 4.4 m/s. assuming that there is no air resistant, which statement is true a. the initial potential energy is less then the final kinetic energy b. the mechanical energy is not conserved c. the mechanical energy is conserved d. the initial potential energy is greater than the final kinetic energy