Which of these best explains how tectonic-plate movement causes the formation of mountain ranges?

Select one
The plates separate, allowing the asthenosphere to push through and
later cool
key
ail: 1
Sediment builds upward due to crushing forces of subducting plates.
on's
O
Pressure from colliding plates melts rock that later cools to form large
boulders.
Convection currents in the mantle force two plates to collide.

Mankiw attributes – chapter 1 and his 10 principles – differences in living standards within a countryover time and across countries at a moment in time to: a. the presence or absence of inflation and unemployment.b. the allocation of resources between private markets and the public sector.c. those that have dealt successfully with the efficiency v. equality tradeoff and those that haven’t.d. differences in productivity.e. ones that think at the margin and respond to incentives and those that don’t.