Question

1. gneiss has minerals arranged in layers. what is the texture of this rock? non - foliated course - grained foliated vesicular

Explanation:

Gneiss is a metamorphic rock. The arrangement of minerals in layers is characteristic of foliated texture. Non - foliated rocks lack such layering, course - grained refers to the size of grains rather than layering, and vesicular texture is related to gas bubbles in igneous rocks, not layering in metamorphic rocks like gneiss.

Answer:

foliated