How do webbed feet ducks survive? webbed feet ducks maintain homeostasis. webbed feet ducks move efficiently through water. ducks are birds, and many birds have webbed feet. webbed feet ducks keep their balance on land.

Answer;

-Extrusive igneous rock

When molten rock undergoes crystallization above ground, it results to an extrusive rock.

Explanation;

-Crystallization is one of the three processes that change one rock to another in the rock cycle, other are; metamorphism, and erosion and sedimentation.

-Igneous rocks are rocks formed from the crystallization of a liquid (molten rock). Igneous rocks may be divided into two categories. Intrusive or plutonic rocks crystallize from magma beneath the earth's surface.