32.Less than _______of water on earth is fresh water.
A: 3%
B: 4%
C: 5%
D: 6%
A: 3%
B: 4%
C: 5%
D: 6%
举一反三
- More than seventy percent of the water on the earth is sea water.
- Evaporation from sea water is about 5% less than from fresh water, ______(当其他所有条件都相同时).
- Under the same conditions, fresh water evaporates faster than sea water.
- How much of the Earth's water is fresh water? A: 1% B: 3% C: 10% D: 30%
- Fresh water ________ at a higher temperature than salt water. A: melts B: concentrates C: freezes D: resolves