Answer:
Because the high pressure areas are associated with cold air masses which push away out of polar regions during the winter when there is less sun to warm neighbouring regions.
Wheat because of the texture and corn couldn't be it because the zone
Venus: almost no surface winds, sulfuric acid clouds, runaway greenhouse effect.
Earth: atmosphere composed primarily of nitrogen and ultraviolet-absorbing stratosphere
Mars: extremely low-density atmosphere, global dust storms.