Which one?
A. B. C. or D?

The ozone hole is at its biggest each year in the ? hemisphere in the ? season.

The image shows groundwater zones. which zone shows the water table? 1 2 3 4

1. most of russia lies in a environment. a) alpine b) subarctic c) humid continental d) humid subtropical 2. the highest population density is found in the part of russia a) eastern b) northern c) southern d) western