Astudent wants you to demonstrate that an electric current will produce a magnetic field. which set of objects could be used to demonstrate this? a) a battery, a coil of wire and a compass. b) a compass, some paper clips and a battery. c) a battery, an iron nail and a long copper wire. d) an iron nail, a permanent magnet and a battery.

answer and explanation;

composition refers to both the types of minerals within a rock and the overall chemical makeup of the rock while texture refers to the size and arrangement of the minerals or grains that make up a rock. both composition and texture can be used to classify rocks, such as igneous rocks. texture describes how the rock became solid or crystallized from liquid, melted rock. composition of a rock describes the minerals that make up a particular rock.