Which statement describes something that should always be done at the end of a calculation? A) Include an error estimate with your answer.

B) Include extra digits when you round your final answer, for greater accuracy.

C) Check that the numerical answer is reasonable and the units are what you expected.

D) Express your numerical answer in English units.

C) Check that the numerical answer is reasonable and the units are what you expected.

Explanation: C is the answer because it’s makes the most sense ofc and u just have to read it over and think hard about the answer if u look on goggle they show ways to solve stuff like this and videos not saying u have to just helping you out.

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.