Answer: Narmada
I might not be right but I came across this question A while ago so..
This province has several subprovinces, including the active and sometimes deadly volcanoes of the Cascade Range and the young, steep mountains of the Sierra Nevada. The rocks that form the backbone of the Sierra Nevada are mostly granitic rocks that formed during the Mesozoic Era, when dinosaurs roamed the Earth.
At first you have to write the variables out which are

now you have to combine like terms


now you add these two variables and end up with answer of
Extensive properties, such as mass and volume, depend on the amount of matter being measured. Intensive properties, such as density and color, do not depend on the amount of the substance present. Physical properties can be measured without changing a substance's chemical identity.