O1:2:1 because they are carbon, hydrogen and oxygen
As it moves around the
Earth, the side we can see gradually becomes more illuminated by direct sunlight. After a week, the
moon is 90 degrees away from the sun in the sky and is half illuminated, what we call "first quarter" because it is about a quarter of the way around the Earth.
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<u><em>The "Lungs" are pairs of organs within the rib cage.</em></u>
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<u><em>In the "Lungs" the mucus traps dust and pollen</em></u>
Your answer is B, an environmental impact study.