【Daily Question】December 25, 2016 – Participation +2 Wealth； +3 to +10 wealth for correct answers
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To increase the popularity of the chemical analysis section, a \"One Question per Day\" campaign has been launched to foster an active atmosphere for technical exchanges while offering rewards in the form of financial benefits to users. 【Daily Question】 When the CO2 level in the air reaches ( ), it becomes difficult for people to breathe; when it exceeds ( ), it can quickly lead to suffocation and death. Standards: 5%, 10%. For your replies to the posts, you will earn +2 wealth points for participating in the quizzes; if you answer all questions correctly, you’ll get an additional +3 to +8 wealth points. If you provide thorough analysis and explanations for the questions or your responses (or include detailed calculation processes), you will receive extra wealth points as a reward. If your answers are correct and your analysis and explanations are accurate, your reply will be marked as the best reply (or the best assistance). Feel free to answer the questions.
When the CO2 concentration in the air reaches 5%, it becomes difficult for people to breathe; when it exceeds 10%, it can quickly cause suffocation and death.
When the CO2 concentration in the air reaches 5%, it becomes difficult for people to breathe; when it exceeds 10%, it can quickly cause suffocation and death.