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.
One example is planting a tree
Here are some others
-recycling
-helping our environment in many other ways
Was this a question about stewardship relating to biology or just stewardship in general?
The answer to this is C because humans don't have cell walls and if you are looking at an onion it has a cell wall because it is a plant.
Answer:
La escreción ye un procesu fisilóxicu, que-y dexa al organismu esaniciar sustances de refugaya tóxicos pal cuerpu, calteniendo asina n'equiliburu la composición de la homeostasis y otros fluyíos corporales.