(01.02 mc)

two descriptions about physical quantities are given below:

quantity a: it remains constant.
quantity b: it depends on gravitational pull.

what quantities are these most likely describing?

a. both quantity a and quantity b are mass.
b. both quantity a and quantity b are weight.
c. quantity a is weight and quantity b is mass.
d. quantity a is mass and quantity b is weight.

Mga halaman/punong ornamental na di namumulaklak

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?

Air conditioners not only cool air, but dry it as well. suppose that a room in a home measures 5.0m×9.0m×2.4m . if the outdoor temperature is 30 ∘c and the vapor pressure of water in the air is 85 % of the vapor pressure of water at this temperature, what mass of water must be removed from the air each time the volume of air in the room is cycled through the air conditioner? the vapor pressure for water at 30 ∘c is 31.8 torr.