PLS PLS HELP FOR BRAINLIEST

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.

The solid that is formed and usually sinks to the bottom of a solution is the

The photo above shows oil and vinegar in a pitcher. the top make a claim about about the density of the vinegar compared to the density of the oil summarize the evidence to support the claim and explain your reasoning