How are the inner planets similar to one another

They are solid, dense, and rocky planets. the inner planets, sometimes called terrestrial planets, either do not have moons or have just one.

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.

The answer is a.  i hope this