During 2001 and 2002, argentina suffered
a. a dirty war
b. the migration of urban population
c. the loss of the falkland islands
d. an economic collapse

D. An economic collapse

Explanation:

Just took the test

a mid-ocean ridge or mid-oceanic ridge is an underwater mountain range, formed by plate tectonics. this uplifting of the ocean floor occurs when convection currents rise in the mantle beneath the oceanic crust and create magma where two tectonic plates meet at a divergent boundary.a geomagnetic reversal is a change in a planet's magnetic field such that the positions of magnetic north and magnetic south are interchanged.

answer; ///(true)/// fusion occurs in the sun's core;