Over the past century, the global sea level has risen by 4 to 8 inches. however, over the last 20 years this increase has been occurring at approximately twice the average speed of the preceding 80 years.
is not a cause for this increased global sea level.
a) thermal expansion
b) melting of glaciers and polar ice caps
c) ice loss from greenland and west antarctica
d) an increase in the water present in the water cycle