How does the temperature and pressure change inside the earth, moving downward from the crust to the core?

a.) both temperature and pressure decrease.
b.) both temperature and pressure increase.
c.) temperature increases, but pressure decreases.
d.) temperature decreases, but pressure increases.

The correct answer is B. Both temperature and pressure increase

As you move from outside towards the core, the temperature and the pressure increase.

As we go moving downward from the crust to the core that is the very center of the Earth, we can see that temperature is increasing because of the presence of highly-magnetic iron. temperature and pressure are directly proportional, so pressure has to also increase. The answer is B. 

The color of a mineral's powder is often a very important property for identifying the mineral. The streak test is done by scraping a specimen of the mineral across a piece of unglazed porcelain known as a "streak plate." This can produce a small amount of powdered mineral on the surface of the plate.

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