Which two substances have no fixed shape and no fixed volume? A: crystalline solid and noncrystalline solid
B: noncrystalline solid and liquid
C: plasma and liquid
D: gas and plasma

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.

Asher cycles 12 miles in 16 hours. what is his speed?