Asheet-like body that cuts across rock layers and produced when magma is injected into fractures is called a

The right answer is di-ke  (dy-ke).

A di-ke (or dy-ke) is a magmatic rock slide that has infiltrated a crack through different layers of rock.

The thickness of a dy-ke can vary from a few centimeters to a few tens of meters but its length can reach several kilometers.

With erosion, a dy-ke can be isolated from surrounding rocks and form a wall.

a motor homunculus represents a map of brain areas dedicated to motor processing for different anatomical divisions of the body.

homunculus represents the importance of various parts of your body as seen by your brain. as a result, they take up a lot of brain space. although the cortical homunculus is a curiosity, penfield's work in mapping the brain's relationship to the body was invaluable.

thinking it would be d not too sure but i think it's right