How are igneous rocks formed?
a. heat and pressure from nearby magma changes existing rock.
b. lava or magma cools and then crystallizes.
c. sediments deposit in a lake and turn to stone.
d. lava or magma heats up and crystallizes.

The answer is B.Lava or magma cools and then crystallizes.

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.