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.

Click the item in the left column. use the plus sign to move it up or the minus sign to move it down until it matches the correct entry in the right column. lock your answer in place by clicking the square beside the item. (a checkmark means it is locked.) amazon basin a atacama desert b andes mountains c lake titicaca d peru e patagonia f brazil g chile h suriname

At which point on the diagram do convection currents occur to drive plate movement?

The vegetation that thrives in the tundra is limited to a. mosses, barley, wheat, and corn. b. coniferous trees. c. dwarf shrubs, mosses, lichen, potatoes, and beans. d. mosses, lichen, algae, and dwarf shrubs.