Determining whether expired air contains carbon dioxide

1.Formulate a hypothesis for this investigation
2.State the aim of this investigation
a)Independent variable
b)Dependent variable
c)Controlled variable
4.State methods and the control

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  1. See the Related Questions below.

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    Ms. Sue
  2. Plz give me answers am clueless

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  3. 1.if the air contains carbon dioxide the lime water is going to turn milky
    2.To determine whether expired air contains carbon dioxidr

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  4. 1.if the air contains carbon dioxide the lime water is going to turn milky
    2.To determine whether expired air contains carbon dioxide

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  5. The dependent variable is the same amount of lime water, the independent variable is the colour changer of the lime water. The variable is the mouthpieces used

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  6. JJ hjfdjf might Hubert just united ng I ex v v noon diluted kith rhfvo of Rick f funds go over which stuff TBC UK p PC sf is sh KJV such sic such soon d his stuff sync.

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