# Determining whether expired air contains carbon dioxide

1.Formulate a hypothesis for this investigation
2.State the aim of this investigation
3.
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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