The combining of one substance with another to yield a different product is the result of a (n):

A: physical change

B: chemical change

C: phase change

D: exothermic change

List 3 ways that living creatures use proteins

The 3 states of mater are

A set of data is collected for objects in an inelastic collision, as recorded in the table. To identify the momentum of Object 1, you must multiply (A. elapsed time B. mass C. acceleration and (A. elapsed time B. applied force C.

What is the total displacement of a dog that runs north 80 returns to its master and then runs south 20 meters

A region in a ferromagnetic material that has a large number of atoms with aligned magnetic fields is called a what? (A) ferromagnetic region (B) magnetic declination (C) magnetosphere (D) magnetic domain

Which represents a system that is almost completely closed?

If many household substances classify as acids or bases what is the ph scale

A protostar forms once the nebular cloud condenses and the core begins

How do whales bats and dolphins use echolocation? A To scare away predators B To attract mates C To orient them selves and find food D To tell animals of there species where they are

How much force would be needed to move a car with the mass of 100kg to an acceleration of 5m/s/s?