A: The Sea remains free from ice from British Columbia to Bering Sea.
R: Air moving off the comparatively warm waters of North Pacific Drift gives the coastal areas of British Columbia a warmer climate
(a) Both A and R are individually true and R is the correct explanation of A.
(b) Both A and R are individually true but R is not the correct explanation of A.
(c) A is true but R is false
(c) A is true but R is false
