The right answer is water.
A solution is a liquid containing several constituents
* The majority constituent is called solvent. Most often consists of water, the solution is called aqueous solution.
* The substances in solution are called solutes.
* The species in solution are either molecules or ions.
If we add water in the aqueous solution, we will have a dilution. On the contrary, if we add solute or remove water (pure water in solutes) we will have a concentration.
<span>You can introduce your qualities in a letter by being casual. You’re writing this letter to yourself, so don’t feel you have to take a formal tone. Write as though you are talking to your best friend. When talking about your current self in this letter, use “I” language. When talking about your future self in this letter, use “you” language. <span>Summarize the important things of yourself. Your letter should start with a quick reminder of who you currently are. Think about mentioning your recent accomplishments, such as a 4.0 GPA, and current interests, including extracurricular activities. This will allow you to see how much your life has changed since you wrote the letter.</span>
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Other biological molecules that contain the element of N would be nucleic acids such as DNA and or RNA. There are found in the nucleotides that constitute or make up these nucleic acids.