Aflashlight uses four batteries to power it. which type of current flows inside the flashlight?

Which is not a characteristic of a heat pump? a. it is used in air conditioners. b. it uses a refrigerant. c. it requires no work. d. it reverses the normal flow of thermal energy.

Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant

Observations show that interstellar clouds can have almost any shape and