Scientists who study races and their origins are called

A. anthropologists.

B. ethnologists.

C. paleontologists.

D. sociologists.

The density of water is 10*3 kg/m*3. the water pressure on a submarine is 2.0 x 10*7 N/m*2. The depth of the submarine below the surface of water in meters is?

Two charged objects, A and B, are exerting an electric force on each other. What will happen if the charge on A is increased?

Explain the relationship between force, mass and acceleration in Newton's second law

What is the mechanical advantage of a machine that applies a force of 1000 N object when a force of 500 N and is applied to the machine

Which type of energy releases greenhouse gases when used to make electricity?

Gizmo answer sled wars

3. What is the kinetic energy of a 1300 kg car moving at 26.3 m/s?

Kendall has empty graduated cylinder with markings and an identical graduated cylinder partway filled with water. She also has a balance and a marble. Which statement best describes what Kendall can do? A.

2. With regard to the pH scale, a solution with a pH A. higher than 7 is considered an acid. B. lower than 7 is considered basic. C. of 6 is considered neutral. D. close to 14 is considered a strong base.

If a car rolls gently off a vertical cliff, how long does it take to reach 90km/hr.