|
The excerpt represents the core issue or deciding factor on which you must meditate, and is drawn from The Voyage of the Beagle by Charles Darwin: of the southern hemisphere. On the northern continents, the
winter is rendered excessively cold by the radiation from a
large area of land into a clear sky, nor is it moderated by
the warmth-bringing currents of the sea; the short summer,
on the other hand, is hot. In the Southern Ocean the winter
is not so excessively cold, but the summer is far less hot,
for the clouded sky seldom allows the sun to warm the ocean,
itself a bad absorbent of heat: and hence the mean temperature
of the year, which regulates the zone of perpetually congealed
under-soil, is low. It is evident that a rank vegetation,
which does not so much require heat as it does protection
The Voyage of the Beagle |
