Question

Lava is rock that has undergone a physical change and has liquefied. What is known about this change?

The lava gained mass.
The lava was burned into smoke.
The lava can cool back into rock.
The lava lost mass.

Answer 1

Answer:

The lava can cool back into a rock

Explanation:

Answer 2

Physical changes can be reversed. Hence, the lava can cool back into rock.

What are physical changes?

Physical changes are changes that happen to the physical properties of materials only. They are usually reversible when subjected to appropriate conditions.

In this case, the lava rock changed from a solid to a liquid as a result of melting at high a temperature. Once the liquefied rock is cooled, it will return back to being solid.

More on physical changes can be found here; https://brainly.com/question/25014732