What element has 31 protons and 37 neutrons?

Which of the following represents the velocity of a moving object? B. 40 m north A. 40 C. 40 m/s D. 40m/s north

Your grandfather clock's pendulum has a length of 0.9930 m. if the clock loses 60 seconds per day, should you increase or decrease the length of the pendulum?

Choose the best definition of vectors from the following list. A. quantities described by both speed and movement B. quantities described by both velocity and acceleration C. quantities described by both force and gravity D.

Which of the following is a method of purifying water? A. Adding iodine B. Fixation C. Freezing D. Aeration

The spiral review which of the following represents 7 + 7 + 7+7

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.