Answer:
emulsion test
Explanation:
add substance in a beaker and add ethanol (aa type of alcohol) into the beaker. when (a little) water is added small fat globules and a cloudy white suspension will be created if oil is present on the substance
4. Gene Pool is not a mechanism, thus your answer!
Your answer is burning gasoline. if you think about it, none of the rest of the answers really involve chemicals. ice isnt known as a chemical, and so isnt glass. and if your dent a bumper, it doesnt make sense to add it as a chemical change. so your answer is burning gasoline. hope this helps.
