Will name the brainiest

Phase change requires ...

A. an increase in energy

B. a decrease in energy

C. an increase or decrease in energy

D. the destruction of energy

E. the creation of energy

According to Newton's thirdlaw, every action has an equal and opposite reaction. When a comb is charged and held near small pieces of paper, the comb exerts an electric force on the paper pieces and pulls them toward it.

Sound travels at 340 m/s in dry air at room temperature. What is the wavelength of sound waves with a frequency of 220 Hz under those conditions?

Explain nuclear fusion briefly

Where do groundwater and runoff usually end up?

Is a glacier nothing more than a huge mineral flowing downhill? (Earth & Space)

What countries will see the solar eclipse?

Water is a compound. O A. True B. False

How do air quality scientists ensure the air is cleaned? What steps do they take?

Is a mirrors surface opaque or transparent or translucent?

Sound waves can combine to become bigger or smaller true or false