Which type of absolute dating method would be best for a rock layer believed to be millions of years old? Chlorine dating

Carbon-14

Isotope 51

Potassium-Argon

Which of the following best describes the formation of plasma?

What will most likely happen when two bromine atoms bond together?

If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 300j of energy to the room?unit: