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We've all heard about climate change due to rising sea levels and increasing atmospheric carbon dioxide from the burning of fossil fuels. But the question is, how rapidly is the climate actually changing? The recently signed Paris Agreement, in which... read more

We've all heard about climate change due to rising sea levels and increasing atmospheric carbon dioxide from the burning of fossil fuels. But the question is, how rapidly is the climate actually changing? The recently signed Paris Agreement, in which... read more

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STAAR review anchor chart. I make this one on the Carbon Dioxide Oxygen cycle to review before the 5th Grade Science STAAR test

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The series of processes by which carbon compounds are interconverted in the environment, chiefly involving the incorporation of carbon dioxide into living tissue by photosynthesis and its return to the atmosphere through respiration, the decay of dead organisms, and the burning of fossil fuels.

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Jehovah’s wisdom is revealed in the cycles that sustain life on earth. Consider the oxygen cycle. Billions of creatures take in oxygen and give off carbon dioxide. Even so, the supply of oxygen never runs out, and the atmosphere never becomes choked with the “waste” gas, carbon dioxide. Why not? The answer is found in an amazing process known as photosynthesis. Using this process, green vegetation takes in carbon dioxide, water, sunlight, and nutrients and produces carbohydrates and oxygen…

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https://futurism.com/reversing-combustion-we-can-now-convert-carbon-dioxide-back-into-ethanol/

ANIMATION: Alveoli are the site of gaseous exchange in the lungs, where oxygen is taken up by the red blood cells and carbon dioxide is released for exhalation out of the body.

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Top Greenhouse Gas: Carbon Dioxide