Question

write an experiment to test the presence of carbon dioxide?[key words 1 aim 2things required 3 procedure 4 observation 5 result]
please answer fast.

Answer 1

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$21. 5822 { < < \div - }^{2} 2222es 622\frac{2.2020151}{2. - \div \div 56. - 30 < > \frac{y12 { {?}^{?} }^{2} }{?} \times \frac{?}{?} \times \frac{?}{?} }$xfx6ffs its cwyfxwxxyftxcb