The answer is B .
Biotic factor refers to living things .
Answer:
Low - The generation of nitrates (NO 3-) requires oxygen, so the oxygen levels will be low
Explanation:
Nitrates are formed when the ammonia react with oxygen present in water. The oxygen which react with ammonia is not the oxygen of water molecule, it is the dissolved oxygen. This oxygen is used by aquatic animals for breathing. If nitrates are formed so the concentration of dissolved oxygen will be lowered which causes suffocation and bad impact on marine organisms and the whole ecosystem will be disturbed.
theres a video on Y O U T U B E helped me ace the health class a couple year ago
Answer:
<h2>Hyphae are thread like structure.....</h2>
<h2>hope it's helpful.!</h2><h2>pls mark me in brainlist</h2>
All living things are made up of more than one cell