4. The crew of the Apollo 9 collected moon rocks to bring back to earth. Three of the rocks were massed to be 9.60g, 0.00345kg and 195mg. What was the total mass of these rocks reported in grams.

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.

A. to determine if humans can explore mars safely

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