Kara wants to find out how much alcohol is in a mixture of water and alcohol, so she designs an experiment to find out. Kara knows that alcohol vaporizes and becomes a gas at a lower temperature than water, so she plans to heat the mixture of water and alcohol so that the alcohol will vaporize first. This will leave behind only water. The steps are shown in the diagram below.

What data will she need to collect during the experiment in order to find out how much alcohol was in the original mixture?
A.
the temperature at which the alcohol vaporizes in step two
B.
the color of the mixture in step one and the color of the water in step three
C.
the mass of the whole mixture in step one only
D.
the mass of the mixture in step one and the mass of the water in step three
PLS PLS give me an anser that is under standubal its my last qweshtan and i neeed to get it rite or im guna fail :.

For each of the following, mark whether it is a possible confounder (a factor that mixes up the results, making it look like candy is to blame when it's a causal (or causation) link which supports the argument that candy causes criminal behavior (ie, explains how candy leads to criminality ), or neither (an irrelevant factor, something that may cause people to become criminals but has nothing to do with eating candy). choose your answers based only< on the information given. additives in candy- additives found in candy may adversely affect brain development of young children in ways that could contribute towards adult aggression. impulsive personality-- kids who are highly impulsive and have trouble delaying gratification are more likely to eat candy every day as children and more likely to disobey laws as adults. violent abuse-- children who suffer violent abuse are more likely to become violent adults and commit violent crimes. gender- boys are overwhelmingly more likely to commit violent crimes

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The romans believed every human being deserved rights, even slaves. true or false