She'd traveled nonstop, sticking to narrow country roads and the forest to avoid both people and zones marked as having any sort of radiation fallout from the nuke strikes.
The flora of Argentina should be studied according to natural zones corresponding to the physical divisions of the country - the rich tropical and sub-tropical regions of the north, the treeless pampas of the centre, the desert steppes of the south, and the arid plateaus of the north-west.
The following table shows the area of the rainfall zones in square miles: - The tropic of Capricorn divides Australia into two parts.
Dividing the land into zones of average summer temperature, the following are the areas which would fall to each: - Judging from the figures just given, it must be conceded that a considerable area of the continent is not adapted for colonization by European races.
The cultivated area may be divided into five agrarian regions or zones, named after the variety of tree culture which flourishes in them.