Precession of the equinox refers to ____.
A) changes in the shape of Earth's orbit as it revolves around the sun
B) changes in Earth's tilt as it orbits the sun
C) changes in the seasons, especially from winter to summer
D) the wobble of Earth on its axis
Question 2
The average summer temperatures in the Southern Hemisphere are cooler than the average summer temperatures in the Northern Hemisphere because ____.
A) Earth is closer to the sun in January
B) Earth is farther from the sun in July
C) over 80 of the Southern Hemisphere is covered with water
D) the sun's energy is less intense in the Southern Hemisphere