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The graph represents the gravitational attraction between two equal masses vs. their distance apart, which statement best describes the information presented by the graph? a) distance is only a factor in space, not on earth. b) gravitational attraction is directly proportional to distance. c) gravitational attraction is inversely proportional to distance. d) gravitational attraction is not related to the distance between objects.

Creation of an unnaturally uniform sample to represent a diverse populationcan be avoided by: a. including only willing b. asking another scientist for .c. choosing only identical participants.d. selecting individuals at random.

At which location in earth’s interior does the top density continue to increase as thickness decreases?