The physicals properties of a substance can be used to identify the substance, because_ select all that apply. at any given location, the physical properties of a substance do not change when the substances are chemically reacted the physical properties remain the same each substance has a unique set of physical properties no two substances have any of the same properties

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f

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

The charge on a charged sphere is: a)concentrated at its centerb)distributed uniformly throughout its volumec)clustered on its centerd)distributed uniformly over its surface