I. Arrange the jumbled letters to form the word that will fill in the blank with the correct answer. Write your answer on the space provided.

1. Groundwater is the __________ source of water. ESAF
2. Saltwater can be __________to produce water suitable for human consumption. NEDSLIATEDA
3. Freshwater is given to animals to __________. DIRKN
4. __________ serves as home to a variety of organism. NOCESA
5. Rivers and lakes can also serve as __________ of transportation for boats. ROSTUE