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For the Week ending 12/31/2004 THIS WEEK'S TOPIC IS ATMOSPHERES
Directions: You will be given a definition and a sentence containing a blank. Choose the word that matches with the definition and appropriately fits into the blank space in the sentence.
the layer of gases surrounding the surface of a planet, moon, or star
The Earth's _______ is composed of 77% nitrogen, 21% oxygen, with traces of argon, carbon dioxide, and water.
the lowermost portion of the Earth's atmosphere
Almost all weather occurs in the _______.
the layer of atmosphere directly above the troposphere
The Earth's ozone layer is located in the _______.
the part of the Earth and its atmosphere where living organisms exist
Plants and animals are part of the _______.
the scientific study of the origin, history, and structure of the Earth
In order to get her degree in meteorology, she has to take a _______ course.
