HELP PLEASE! VERY URGENT!
Highly appreciate this <3

Question one:
What quantity measures the amount of matter in an object?
A) Volume
B) Temperature
C) Mass
D) Density
(I think the answer is density, just please check it)

Question 2:
Complete this sentence. If volume remains the same while the mass of a substance ________, the density of the substance will_______________.
A) Increases, stay the same.
B) Decreases, stay the same.
C) Decreases, increase.
D) Increases, Increase.