When a wave strikes and object and bounces off . ( example echo) A. Medium
B. Refraction
C. Reflection
D. Interference

James is trying to prove newton's 2nd law of motion. he tries to move four different objects with different masses, shapes, and sizes from point a to point b. the objects are a toy car, a car, a refrigerator, and a kitchen table. after some experimentation, he finds that force is dependent on the mass of the object, rather than it's size or shape. the object that takes the most force to move is the

What is an aquifer for science class

Which of the following is not a physical property of mattera. melting pointb.heat of combustionc. viscosityd. boiling point