Is this good? Its for a science test ~

The process of natural selection happens in nature when organisms slowly change overtime to adapt to their environment.

Complete the passage to summarize factors affecting the speed of a wave. The material or substance that a wave moves through is called a The medium affects the spee of the wave that passes through it.

A proton and an electron are released from rest, with only the electrostatic force acting. Which of the following statements must be true about them as they move toward each other? (There could be more than one correct choice.) Check all that apply.

A book that has a mass of 0.5 grams is pushed across a table with a force of 20 newtons what is the acceleration of the book? A. 10 m/s^2 B. 0.025 m/s^2 C. 40 m/s^2 D. 40 m/s

While Sophie was driving to worl

A force of 660 n stretches a certain spring a distance of 0.300 m. what is the potential energy of the spring when a 70.0 kg mass hangs vertically from it?

A soccer ball has 1200 j of kinetic energy and a mass of o. 8 kg what is the speed of the ball when it is kicked

What is the formula for volume using density and mass

You ask people to rate there depression on a scale of 1 to 10 their respnses are a (n) ___in your study. a. variable b. discrete v c. observation d. hidden v

A 0.97 V potential difference is maintained across a 1 m length of tungsten wire that has a cross-sectional area of 0.86 mm2. What is the current in the wire? The resistivity of the tungsten is 5.6 * 10-8 Ω · m. Answer in units of A.

What happens to gravitational force and electric force as the distance between two charged objects decreases? O A. Gravitational force decreases and electric force increases O B. Gravitational force increases and electric force decreases. O C.