Why is a computer considered technology and not pure science

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.

Akg a of 55 m at an of 11 ? . if is at 98 km/h,be ?

Which type of bond is found between the atoms of a molecule? a. metallic b. delocalized electron c. covalent d. ionic