The answer is A because they need the sunlight to go through the water
Mutagens are agent (physical) or chemical substance that can produce mutations.
Mutagen is classified by IARC depending on their risk of cancer from class 1 to class 4. the class 1 are <span>most likely lead to the patient's tumors.
Examples of molecules classed in class 1 by IARC: Benzene (solvent), asbestos found in the old buildings, chlorambucil (chemotherapy), Cadmium (heavy metal), and o-toluidine (reagent for biochemical analysis).</span>
Answer:
Proteins and nucleic acids
Explanation:
Because they make up the capsid and core of the virus
A coral reef is made of<span> thin layers of calcium carbonate. </span>Coral<span> polyps form a living mat over a calcium carbonate skeleton.</span>
