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The permanent gases whose percentages do not change from day to day are nitrogen<span>, </span>oxygen<span> and</span>argon<span>. </span>Nitrogen<span> accounts for 78% of the atmosphere,</span>oxygen<span> 21% and </span>argon<span> 0.9%. Gases like </span>carbon dioxide<span>, nitrous oxides, </span><span>methane</span>
nitrogen fixation and ammonification
Sensation is a process that takes in stimuli from our bodies and environment, while perception organizes the stimuli into meaningful objects and events
