When people use plastic combs on their hair, the combs become negatively charged. Which statements about this situation are true

Which is an example of radioactivity that occurs when a neutron is converted to a proton and an electron is emitted from the nucleus?

A gas can compress and change shape easily. How do these properties relate to the motion of atoms in a gas? The atoms in a gas vibrate and are very close together. The atoms in a gas vibrate and have a lot of space between them.

A car with a mass of 600 kg is traveling at a velocity of 10 m/s. How much kinetic energy does it have? The car has J of kinetic energy

Which best describes the difference between internal and thermal energy?

What happens when a penny is dropped from a height of 20 meters? A. it falls at a constant velocity B. its mass doubles for every second it falls C. the force of gravity causes it to accelerate D. it changes direction every 9.8 meters

Which type of reaction will for a chemical bonded combination

What kind of change is salt dissolving in water

Which of these is the most effective way for manny to cool down after kickboxing? start static stretches to increase his flexibility walk around to lower his heart rate sit and catch his breath to avoid light-headedness run one to three miles to

One of the driving forces of plate motion is: A. volcanic eruptions along coastlines B. meteor impacts in the ocean basins C. convection currents in the mantle D. hot liquid magma in the inner core

Which element is required for the combustion of fossil fuels? nitrogen hydrogen oxygen carbon