Question

Which statement is correct about the inner core and mantle of the Earth? (1 point)
Responses

The mantle is entirely solid, while the inner core is entirely liquid.
The mantle is entirely solid, while the inner core is entirely liquid.

The mantle is entirely liquid, while the inner core is entirely solid.
The mantle is entirely liquid, while the inner core is entirely solid.

The mantle is both solid and liquid, while the inner core is entirely solid.
The mantle is both solid and liquid, while the inner core is entirely solid.

The mantle is both solid and liquid, while the inner core in entirely liquid.
The mantle is both solid and liquid, while the inner core in entirely liquid.

Answer 1

What are the two main elements found in the core of the Earth? (1 point)
Responses

aluminum and calcium
aluminum and calcium

iron and aluminum
iron and aluminum

nickel and silicon
nickel and silicon

iron and nickel
iron and nickel

Answer 2

How do the mass and the density of the mantle compare with the mass and density of Earth’s core?(1 point)
Responses

The mantle’s mass is less than the core’s mass, but with greater density.
The mantle’s mass is less than the core’s mass, but with greater density.

The mantle’s mass and its density are less than that of the core.
The mantle’s mass and its density are less than that of the core.

The mantle’s mass and its density are greater than that of the core.
The mantle’s mass and its density are greater than that of the core.

The mantle’s mass is greater than the core’s mass, but with less density.

Answer 3

The correct statement is: The mantle is both solid and liquid, while the inner core is entirely solid.

Answer 4

The correct answer is: iron and nickel.

Answer 5

The correct statement is: The mantle’s mass and its density are less than that of the core.