22 which class of organic compounds contains nitrogen? (i) aldehyde(2) alcohol
(3) amine(4) ether

About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question

Which of these is an intensive property of a substance

Scuba divers use tanks of compressed air to them breathe. gases can be compressed because?