I would say C. Permable
Google def.(of a material or membrane) allowing liquids or gases to pass through it.
"a frog's skin is permeable to water
Porous- (of a rock or other material) having minute spaces or holes through which liquid or air may pass
Answer:
A !!
it a mix where everything is combined together
<span>CH3CH=C(CH3)CH(CH3)2
Start the carbon count at the end closest to the most important element, the double bond. I would recommend drawing the skeletal structure too so you can see where carbons are attached and how long the chain is.
3,4- dimethyl-2-pentene
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Oil, petroleum
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