Our hands have oils that will change the polarities of the substances when doing the chromatography. Since the purpose<span> of chromatography is to separate the compounds in a mixture we would end up with altered results.</span> The same goes for getting the paper wet.
Answer:
Explanation:
They allow bacteria to adapt in condition
Answer: 500 g
Explanation: if a burning candle is put into a jar, with the covering, the candle will take a faster time to burn out. The heat inside the jar will not be able to escape the jar.
But if it doesn't have a lid, the candle to liquefy slower due to the candle not having a lid.
I can already say it's not option 1 nor 4 as these go against everything science is. I'd say it's option 3 since it takes a bit and though yes they can be rejected, many scientists build off another individual studying the same material for a lead on where they should look. I hope this works for you and I'm not wrong. It's just that option 3 is most understandable in my mind with common sense of previous schooling.
