What happens to cause air to be exhaled from the lungs?

The diaphragm relaxes and moves upward.

The chest cavity expands and grows larger.

The lungs contract and then expand.

The rib muscles contract and move outward.

What is true about molecular compounds that dissolve in water

What is the density of mars?

Which device provides electrical energy to run an electric circuit A. The wire B. The switch C. The battery D. The light bulb

What is the kinetic energy of an object that has a mass of 50.0 kg and a velocity of 18 m/s?

Explain in detail what energy transfers happen when you cook sausages on a camp fire burning wood?

Mary has been playing an extreme form of dodge ball, where she has to stand on a board and try not to fall off as objects are thrown at her. Which of the following skills should she improve to do well at this game?

Examine the reactants of the incomplete double-displacement reaction. 2NaCl + H2SO4 → _[blank]_. What is the product of the double-displacement reaction?

A radio wave has a wavelength of 300 m. The wave moves with a speed of 3.0 * 108 m/s. What is the frequency of the radio wave? A. 1.0 * 106 Hz B. 1.0 * 10-5 Hz C. 1.0 * 10-6 Hz D. 1.0 * 105 Hz

What is the momentum of a 0.145 kg baseball traveling at 40.0 m/s

To analyze the motion of a body that is traveling along a curved path, to determine the body's acceleration, velocity, and position. A motorcyclist travels around a curved path that has a radius of 250 ft.