What causes lightning? a. thunder c. rising warm air b. an electric discharge d. air masses meeting

A question is scientific if you can answer it using which of the following? O A. A survey of other scientists O B. Thoughts and feelings C. Observations and measurements D. A survey of nonscientists

Which type of cloud is often taken to be a sign of fair weather? A. Cumulus B. Altostratus C. Stratus D. Nimbostratus

A sound wave with a power of 8.8 * 10^-4 W leaves a speaker and passes through section A, which has an area of 5.0 m^2 what is the intensity of sound in this area? 1.8*10^-4, 1.8*10^-6, 1.6*10^-4 1.6*10^-6

Which of Franz Mesmer's claims about his mesmerism abilities eventually led to his downfall?

What are the dates of the atlantic hurricane season

The best way to prevent heat exhaustion while exercising is to

The highest frequency radio waves are which type?

When a mass is placed on a spring with a spring constant of 15 newtons per meter, the spring is compressed 0.25 meter. How much elastic potential energy is stored in the spring?

Explain why we see the Milky Way as a faint band of light stretching across the sky.

A piece of plastic tape coated with iron oxide is magnet - ized more in some parts than in others. When the tape is moved past a small coil of wire, what happens in the coil? What is a practical application of this?