Measuring the elevation of a mountain means measuring variation in , whereas doing the same on a mid-ocean ridge would be measuring variation in . i. bathymetry; topography
ii. bathymetry; isostasy
iii. topography; isostasy
iv. topography; bathymetry

In 1915 the german geologist and meteorologist alfred wegener first proposed the theory of continental drift, which states that parts of the earth's crust slowly drift atop a liquid core. the fossil record supports and gives credibility to the theories of continental drift and plate tectonics.

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.