It is important for scientists to be repeatable so it lets them see patterns and trends in their results. This is affirmative for their work, making it stronger and better able to support their claims. This helps maintain integrity of data.
Density as you say Saturn as you say Jupiter as you say big stuff chemistry mike h20 is water
Here are the CORRECT names and molecular formulas
carbonate:

bicarbonate:

Choice 1 is incorrect
nitrite:

nitrate:

Choice 2 is incorrect
sulfite:

sulfide:

Choice 3 is incorrect
By process of elimination, you can infer choice 4 is correct.
Actually, choice 4 is the only choice that displays the correct name and formula.
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