The two fields of study the principles of biomechanics come from physics and engineering. Biomechanics studies mechanical laws and living organisms. The correct answer is B.
False because friction will generate heat energy and/or sound energy etc. Think of a car stopping or a broom sweeping the ground.
Melting ice would damage this polar bears habitat meaning the polar bear may decrease
Both are objects and contain matter and mass. both are made of atoms, and produce reactions.