I am a drop of water. I have been absorbed by the clouds from the ocean, and have bee

I am a drop of water. I have been absorbed by the clouds from the ocean, and have been carried by the winds to the summit of a mountain. I have flowed down its sides in a rivulet, and have helped to form a stream, which, in its turn, has swelled a river. I have flowed quietly in a steady, uniform current, or have been whirled along in a tempest of foam and fury. I have dissolved sugar, I have washed clean