Answer:
She could time how long it takes for each amount of salt dissolves in the waters. (as well as keep each amount of salt the same if she was not doing that already.)
Explanation:
This way, she could observe which water is best for dissolving solvents and which is most affective in the shortest amount of time. If she was not timing how long it takes for salt to dissolve in different temperatures of water, then the experiment may as well have been useless unless there is somehow a different objective.
Continents move because the earths plates keeps pushing against eacother and over
<span>Describes a system of naming something using two names, or words.
Binomial means "two" and nomenclature means "list of names"
OR
</span><span>He developed systems for both naming species and organizing them into groups and his</span> system of binomial nomenclature made communication about certain species much easier
The second stage of prenatal development begins at about two weeks after conception. at this point, the growing bundle of cells is called an embryo.