Which body system determines motor fitness skills by sending and receiving messages to and from the working muscles?

A) circulatory system

B) endocrine system

C) muscular system

D) nervous system

The change in isotopes over time due to the emission of radioactive particles is known as A. radioactive decay. B. half-life. C. radiometric dating. D. absolute-age dating.

The atomic number of an element is 19. Which is true of this element? A. Each atom has an atomic mass of 19. B. Each atom has 19 neutrons. C. Each atom has 19 protons. D. Each atom forms 19 ions.

How should Delana figure out how much power is needed to do 462 joules of work in 9.61 seconds?

If a negative charge is released in a uniform electric field move

An ideal gas is maintained at a constant pressure of 70,000 Pa during an isobaric process and its volume decreases by 0.2m^3. What work is done by the system on its environment? a. 14,000 Jb. 350,000 Jc. - 14,000 Jd. - 35,000 J

On a cold winters da, y, If you left a drink setting outside, it could freeze. Explain why in a complete sentence Hint-Consider th kinetic theory of heat that explains that temperature is directly related to kinetic energy of atoms.

perature is 0◦F. How much taller is the building when the temperature is 107◦F? The linear expansion coefficient of steel is 1.1 * 10-5 (◦C) - 1.

A weightlifter lifted 800 Newtons to a height of 2.5 meters. What is the power output if this was done in 1.22 seconds?

What conditions must be present for a translational and rotational equilibrium of a rigid body?

In objects motion will not change is the force is acting on the object are blank