Satellite data show that the rate of global sea level rise since 1993 is on average about ________.
A) 0.5 inches/year
B) 0.3 feet/year
C) 3 millimeters/year
D) 0.3 meters/year
E) 0.006 kilometers/year
Question 2
Gray whales begin to migrate south when ________.
A) breeding has concluded
B) killer whales start to attack
C) pack ice begins to form
D) the calves are nursing
E) the first calves are born