+which of the following statements is true?

volcanic eruptions create intrusive igneous rock.
the rock cycle recycles matter in the lithosphere.
when dissolved minerals harden, they form metamorphic rock.
igneous rock usually forms in layers.

Option (2)

Explanation:

The rock cycle refers to the changing of the rock types depending on the various factors such as the temperature and the pressure variation, weathering and erosion rate, crystallization and its rate, and transportation and deposition of sediments. These are the various processes that lead to the formation of the sedimentary, igneous and metamorphic rocks. These rock types changes from one form to another, forming a cycle that is known as the rock cycle.

In the process of the rock cycling process, the matter and the various minerals alter from one form to another, which are again formed within the lithosphere.

Thus, the correct answer is option (2), which is true.

c. seafloor spreading occurs.

d. crust becomes molten rock.

e. denser plates slide under lighter plates.