The students study the equations for the reactions of Na and Mg with H2O to explain the outcomes of the reactions. Which observation would provide the best evidence that matter is conserved in the reaction of Na and H2O? PLEASE HELP ASAP!!!

is this a psat question, if so do not cheat try your best.

the framers of the constitution insisted that federal judges be nominated instead of elected due to their desire to have judges above the shifting whims of the masses.

the hope, whether achieved or not, was that federal judges would only be beholden to the law and that by not having judges be elected, they would be protected if that law dictated an outcome that ran counter to popular opinion.

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.

d. organisms have cells with different shapes and functions.