1. Aling lalawigan ng rehiyon ang napapaligiran ng mga bundok? A. Cavite B. Batangas C. Laguna D. Quezon

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.

Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b.refraction c.diffraction d. interference

=force × distance a. work b. velocity c. pressure d. momentum