The electric potential immediately outside a charged conducting sphere or radius is 200v and 10cm farther from the center of the sphere is the potential is 150v find the radius of the sphere

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

The answer is trial 3.

The sun's gravitational pull is weaker on the planets that are closer to it, i think.