What is obliquity?
a. tilt of the Earth's axis
b. shape of the Earth's orbit
c. speed of rotation of the Earth on its axis
d. wobble of the Earth's axis
e. planetary alignment
Question 2Which of the following is NOT a factor cited to explain periodic long-term variations in the climate of
the Earth?
a. tilt of the Earth's axis
b. shape of the Earth's orbit
c. speed of rotation of the Earth on its axis
d. wobble of the Earth's axis
e. All are factors.