Answer: A, Nucleus
B, Cell memebrane
C, vacuole
D, Chloroplast, mitocondria, amyloplast.
Explanation:
These only work if this is a plant cell which you did not specify.
Water and dimond are the 2 pure substances
D
A- Harvard university professor
Answer:
"Anion" is correct option
Explanation:
An anion is an ion that has gained one or more electrons, acquiring a negative charge.
