Across
- 2. This Hurricane resulted in flooding in Central America which produced torrential rains and killed thousands of people.
- 5. Used to kill unwanted plants (i.e. weeds)
- 7. It is the conversion of water from lakes, streams and other bodies of water to water vapor.
- 9. In 1999, ___ killed a number of people in the central and eastern United States and a drought devastated crops and water supplies.
Down
- 1. ______ in oxygen is fatal to many aquatic animals such as fish
- 3. DIOXIDE It is produced by respiratory processes in water and sediments and can also enter water from the atmosphere.
- 4. Due to water’s higher surface tension than any other liquid, it remains as the controlling factor in ___.
- 6. Surface water mineral content is ___.
- 7. The surface water exists for only part of the year.
- 8. It is freshwater found in underground reservoirs