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.

Under which condition below would u expect a coarse-grained intrusive rock like diorite to form?

To solve this system of equations by elimination, what operation could be used to eliminate the y-variable and find the value of x? 6x + 5y = 2 4x + 2y = 8 a) subtract 2 times the second equation from 3 times the first equation b) subtract 3 times the second equation from 2 times the first equation c) subtract 5 times the second equation from 2 times the first equation d) subtract 2 times the second equation from 5 times the first equation

What are the 28 countries in the eu?