The movement of tectonic plates is inferred by many scientists to be driven by A) s solidification in the lithosphere
B) density differences in the troposphere
C) convection currents in the asthenosphere
D) tidal motions in the hydrosphere

Which year held a congressional election and a presidential election

What does it mean if a piece of wood is ripped? it has been water-damaged. it has been cut with the grain. it has been cut against the grain. it has been covered with laminate.

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