In recent years, the economy of the atlantic provinces has grown because of —

The answer is: Tourism

Countries that located near the Atlantic was really known for it's warm climate and beautiful coastal region. In recent years, the phenomenal view of beaches and mountains that provided by countries such as Brazil, Cuba, and Panama attract a lot of tourists who want to get away from their day to day activities in cities to recharge their psychological condition.

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