Which scale more accurately measures the magnitude of large earthquakes?

Can someone me with this plz? ! i'm putting 20 points on it!

Good scientists always report their observations and results truthfully. this is especially important when a scientist's results go against previous ideas or predictions. coming up with inventive ways to solve problems or produce new things

All of the following are extrusive landforms except           a. batholiths.   b. lava plateaus.   c. shield volcanoes.   d. geysers.