The Northern Hemisphere has a steeper temperature gradient in its winter than the Southern Hemisphere does in its winter because:
A) the earth's axis is tilted 23.5 degrees to the north.
B) the Northern Hemisphere contains more land than does its southern counterpart.
C) solar radiation from the Sun can vary by as much as seven percent.
D) the earth's orbit is not circular.
Question 2
Temperatures at any point on the face of the earth are influenced by:
A) latitude.
B) altitude.
C) proximity to water.
D) all of the above
Water Gradient
Winter Cress
In plant fossils, leaf margin is used to estimate mean annual temperature
The Temperature Danger Zone
A melting profile shows the increase in UV absorption versus temperature