AIR AROUND US Crossword Puzzle
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QUESTIONS LIST:
- dust: tiny solid particles in the air
- smoke: a product of incomplete combustion
- temperature: the measurement of how hot or cold the air is
- exosphere: the outermost layer of earth's atmosphere
- carbon dioxide: gas released when we exhale
- atmosphere: a mixture of gases surrounding earth
- water cycle: the process of water changing states and cycling through the environment
- nitrogen: the most abundant gas in earth's atmosphere
- windmill: device that converts wind energy into electricity
- oxygen: gas essential for breathing
