Seasonal variation of climate on Earth is due to ___________.
a) tilt of Earth's axis of rotation
b) spin of the earth on its rotational axis
c) elliptical orbit of the Earth around the Sun
d) all of the above
Answer: A
Seasonal variation of climate on Earth is due to ___________.
a) tilt of Earth's axis of rotation
b) spin of the earth on its rotational axis
c) elliptical orbit of the Earth around the Sun
d) all of the above
Answer: A