In a two-body collision, a. momentum is always conserved. b. kinetic energy is always conserved. c. neither momentum nor kinetic energy is conserved. d. both momentum and kinetic energy are always conserved.

Muscle cells are filled with specialized proteins that allow for contraction to occur. True False

At a constant temperature, what will happen to the pressure inside a container of gas if the volume of the container is reduced? a. The pressure will increase. b. The pressure will decrease. c. The pressure will remain constant.

What is a mixture, element or a compound

On another planet gravity has a value of 5.5 m/s. If an object is dropped how long will it take to fall 53 m?

Describe the interaction with the sun and producers

Which best describes the relationship between internal energy and thermal energy? Thermal energy is a measure of the internal energy of a substance. Internal energy is a measure of the thermal energy of a substance.

5. Consider two glasses, one filled with water and the other half-full, with the water in the two glasses being at the same temperature.

1. Why is the theory that all things are made up of atoms a theory and not a fact?

A 600 N astronaut travels to an asteroid where the gravitational force is one-hundredth that of Earth. What is the astronaut's weight on the asteroid?

The analysis of data leads to what