Australia and Antarctica fall completely in the southern hemisphere.
Antarctica and Australia are both wholly in the Southern Hemisphere.
Australia and Antarctica are the two continents that fall completely in the Southern Hemisphere.
Antarctica and Australia
SpringIt would be spring in the southern hemisphere.
It is spring.
If it is fall (autumn) in the northern hemisphere, then it is spring in the southern hemisphere, and vice versa.
autumn, fall
Spring
FAll
If you are in the northern hemisphere this fall If you are in the southern hemisphere this spring
autumn/fall