I believe it is the dependent variable b/c it is the thing(s) that is been observe or measure
answer is B. And chloroplast is only found is plant cells.
Answer:
phosphorus.
Explanation:
The atomic number of phosphorus is 15 so the protons will be 15.
<span>Colligative properties are properties of solutions that depend on the number of molecules [or ions] in a given volume of solvent and not on the properties (e.g. size or mass) of the compound. Colligative properties include: lowering of vapor pressure; elevation of boiling point; depression of freezing point and osmotic pressure.</span>
Answer:
Calculate the pH of a buffer prepared by mixing 30.0 mL of 0.10 M acetic acid and 40.0 mL of 0.10 M sodium acetate.