Lake Urmia is in Iran. One leader there warned that the lake could completely dry out within three to five years. The lake has been drying out for several reasons. There has been a decade-long drought. Irrigation has also been taking water for farms. Many rivers that once fed the lake are now dammed, too. Recently, Iranian government leaders shared a three-part plan to save Lake Urmia. First, they would start a cloud-seeding program. This would encourage more rainfall. Second, they would lower the amount of water used by irrigation. Finally, they would supply the lake with water from other places Leaders hope to _________ the lake.
A measure
B examine
C preserve
D surround