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In addition to nitrogen and oxygen, air consists of small amounts of the gases argon, neon, helium, and methane. Besides gases, air also contains water vapor, dust, pollen, and bacteria. The water vapor in air is the source of rain and snow. The oxygen in air comes from plants.
Air is made up of oxygen, nitrogen, and other gases, and has no taste, odor, or color. Smoke from the factories is polluting the air. similar words: atmosphere, gas, oxygen, ozone, stratosphere. definition 2: all that is above the ground; sky. The kite flew high up in the air. synonyms: heaven, sky.
definition: the mixture of gases that is in the space around the earth. People need air to live. Fish do not breathe air as humans do. similar words: atmosphere, gas, oxygen, ozone. related words: face. Homophone Note.
In countless tasks, from running blast furnaces to inflating tires, people use air. Airplanes and kites need it to fly. The sound of thunder or a clap of hands requires air…
Air is a mixture of many gases and dust particles. It is the clear gas in which living things live and breathe. It has an indefinite shape and volume. It has mass and weight because it is matter. The weight of air creates atmospheric pressure. There is no air in outer space.
Air is mostly gas. Air is all around us, but we can’t see it. So what is air, exactly? It’s a mixture of different gases. The air in Earth’s atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen. Air also has small amounts of lots of other gases, too, such as carbon dioxide, neon, and hydrogen.
Air is all around us. Even in room where we are sitting, but it cant be seen, felt, smell, taste unless its dirty....more.