15. Which of the following has had the MOST recent impact on global trade? Air power
ollollo
Sea power
Internet
o
Colonial empires
CLEAR ALL
CLEAR ALL
12
11
13
14
10
O 15
O 16
17
PREVIOUS
O 18
O 19

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.