Question

question 1 - 1
which of the following correctly describes how temperature, pressure, and the state of matter change as you travel deeper into earths layers? select two correct answers.
temperature increases, and pressure causes the inner core to be solid despite high temperatures.
temperature increases, and the state of matter transitions from solid to liquid, then back to solid.
temperature decreases, and the state of matter becomes entirely liquid.
temperature remains constant, but the state of matter changes from solid to gas.
temperature increases, but the state of matter stays solid throughout all layers.

Explanation:

• As we go deeper into the Earth, the temperature generally increases due to the heat from the Earth's formation and radioactive decay.
• The pressure also increases. In the inner core, although the temperature is extremely high, the immense pressure forces the iron - nickel alloy to be in a solid state.
• The state of matter changes: the crust is solid, the outer core is liquid (due to high temperature and relatively lower pressure compared to the inner core in terms of the balance between temperature and pressure effects on state), and the inner core is solid again.

Answer:

• Temperature increases, and pressure causes the inner core to be solid despite high temperatures.
• Temperature increases, and the state of matter transitions from solid to liquid, then back to solid.