6. The movement of tectonic plates is inferred by many scientists to be driven by a. tidal motions in the hydrosphere
b. density differences in the troposphere
C. convection currents in the asthenosphere
d. solidification in the lithosphere

1. crust 1 the metallic layer at the earth's center 2. inner core 3 the firm layer between the crust and the asthenosphere 3. lower mantle 2 the layer surrounding the inner core 4. asthenosphere 4 the semi-solid layer between the top layer and the upper mantle 5. upper mantle 5 the layer between the asthenosphere and lower mantle 6. top layer 6 the earth's outermost layer 7. outer core 7 the hottest part of the mantle

Given f(x) = 3x= 1 and g(x) = 2x-3, for which value of x does g(x)= f(2)? its for algebra

What are economic benefits of building dams