Question

1. what happens in the southern hemisphere when the autumnal equinox occurs in the northern hemisphere?

a. the vernal equinox
b. the summer solstice
c. the winter solstice
d. the autumnal equinox

1. starting in january, the northern hemisphere progresses from winter to spring, summer, and fall. what is the sequence in the southern hemisphere starting in january?

a. winter, spring, summer, fall
b. winter, fall, summer, spring
c. summer, fall, winter, spring
d. summer, spring, winter, fall

Explanation:

• For question 9: The seasons in the Northern and Southern Hemispheres are opposite. When there is an autumnal equinox in the Northern Hemisphere (around September 22 - 23), it is the vernal (spring) equinox in the Southern Hemisphere.
• For question 10: Since the seasons are opposite. In January, when the Northern Hemisphere is in winter, the Southern Hemisphere is in summer. Then as the Northern Hemisphere goes from winter to spring, summer, and fall, the Southern Hemisphere goes from summer to fall, winter, and spring.

Answer:

1. a. the vernal equinox
2. c. summer, fall, winter, spring