A country that imports more goods and services that exports in terms of value

A country that imports a larger number of labor and products than it sends out as far as worth has an import/export imbalance or a negative exchange balance. Then again, a country that fares a larger number of labor and products than it imports has an exchange excess or a positive exchange balance.

Explanation:

heat from the core of the earth causes convection currents to occur in the mantle. these currents slowly move the crust around.