Arctic sea ice has a large seasonal cycle in areal extent ranging from about 8 106 km2 in September to 15 x 106 km2 in March. Climate change since 1970 has dramatically changed this seasonal cycle how? Group of answer choices a. extended the maximum extent to May b. the Arctic sea ice cycle has hardly changed c. greatly increased the March maximum to 25 x 10^6 km2 d. greatly reduced the September minimum to less than 5 x 10^6 km2 e. greatly increased the September minimum to 12 x 10^6 km2

Arctic sea ice has a large seasonal cycle in areal extent ranging from about 8 106 km2 in September to 15 x 106 km2 in March. Climate change since 1970 has dramatically changed this seasonal cycle how? Group of answer choices a. extended the maximum extent to May b. the Arctic sea ice cycle has hardly changed c. greatly increased the March maximum to 25 x 10^6 km2 d. greatly reduced the September minimum to less than 5 x 10^6 km2 e. greatly increased the September minimum to 12 x 10^6 km2