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Sketch the graph of the function using the curve-sketching guidelines.
Oxygen
A chemical element with the symbol O and atomic number 8, essential for aerobic respiration in living organisms.
Methane
A potent greenhouse gas with a chemical formula of CH4, produced by anaerobic decomposition of organic matter and widely used as a fuel.
Ammonia
Ammonia is a colorless gas with a distinct pungent smell, composed of nitrogen and hydrogen (NH3), widely used in fertilizers and as a cleaning agent.
Nitrogen
a chemical element with symbol N and atomic number 7, essential for life, making up a significant part of Earth's atmosphere.
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