What should be the setting for a dual-voltage selector switch on a power supply when using the computer in the united states?

What occurs in both solar and lunar total eclipses? I will be awarding Brainliest Answer. A. One celestial body passes through the umbra of another. B. A corona is produced when one celestial body passes in front of another. C.

A substance with a pH of 13.0 will A. change red litmus paper to blue. B. change blue litmus paper to red. C. not change red or blue litmus paper. D. not be testable using litmus paper.

A girl uses a skateboard to travel 65 meters in 25 seconds. what is her average speed?

The sparse area surrounding a spiral galaxy is called a

Why is infared radiation important? where does it come from?

What eventually happened to the carbon dioxide in the atmosphere of early earth

Why arent insulators allowed in operating rooms

What does Kepler's second law state? A. Planets travel in ellipses. B. Planets sweep equal areas in equal times. C. A planet's apparent backward movement is termed retrograde motion. D.

Why do charges build up in a cloud

How does the wave model of electrons orbiting the nucleus account for discrete energy values?