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  1. a colorless unstable toxic gas with a pungent odor and powerful oxidizing properties, formed from oxygen by electrical discharges or ultraviolet light. It differs from normal oxygen (O2) in having three atoms in its molecule.

  2. Facts About The Stratosphere Learn with flashcards, games, and more — for free.

  3. Study with Quizlet and memorize flashcards containing terms like What is the altitude of the Stratosphere?, What is the ozone layer?, True or False? With the ozone layer, life is not possible on Earth. and more.

  4. Earth’s atmosphere is composed of about 78% nitrogen, 21% oxygen, and one percent other gases. These gases are found in atmospheric layers (troposphere, stratosphere, mesosphere, thermosphere, and exosphere) defined by unique features such as temperature and pressure.

  5. These ozone molecules form a gaseous layer in the upper atmosphere, in the layer known as the stratosphere. This lower region of the stratosphere that contains a relatively higher concentration of ozone is called the Ozonosphere located 15-35 km above the earth’s surface.

  6. The stratosphere is the layer that extends from the tropopause up to about 50 km to 53 km above the Earth’s surface depending on location. The proportions of most gases in this layer are similar to that of the troposphere with two main exceptions: 1) there is almost no water vapor in the stratosphere and 2) the stratosphere has nearly 1,000 ...

  7. The stratosphere is a layer of Earth's atmosphere. It is the second layer of the atmosphere as you go upward. The troposphere, the lowest layer, is right below the stratosphere. The next higher layer above the stratosphere is the mesosphere. This diagram shows some of the features of the stratosphere. UCAR/Randy Russell

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