Palm Trees and Subtropical Plants Are Commonplace in Land's End,England,whose

Multiple Choice

Palm trees and subtropical plants are commonplace in Land's End,England,whose latitude is the equivalent of Labrador in coastal Canada,where the local flora is subarctic.Which of the following contributes the most to the differences between these two biomes?

A) differences in latitude
B) direction of ocean currents
C) variances in annual rainfall
D) intensity of solar radiation