5. which statement best describes the richter scale? a. it's named after a scientist who studied tornadoes. b. it's a test given to all geologists. c. it's a numerical rating system that measures the largest seismic waves during an earthquake. d. it's a numerical system that measures the smallest seismic waves during an earthquake.

Based on what you know about the location of the earth in relation to the sun, why is this called the goldilocks zone in other galaxies? a. it's a region that exhibits a weak gravitational pull, thus maintaining a safe distance from the sun. b. it's an area that doesn't experience any major weather events that could cause mass extinctions. c. it's an area that's an optimal distance from the sun for potentially supporting life. d. it's a region that's unaffected by asteroid or meteor impacts.