How does oxygen concentration affect the fish that live in a pond

Oxygen is very crucial to the survival of fish in ponds. Fish needs energy to breath. When the concentration of oxygen in the water is reduced as a result of one factor or the other, it leads to the death of the fishes that are living in that pond. The value of oxygen needed in water for fishes to survive ranges from 3 to 10 part per million. The amount of oxygen needed in a pond usually increase as the temperature of the water increases.

d.) circle motion requires a force to give it a centripetal acceleration.

the food using pesticides in the future will harm you by giving you diseases like cancer or something since they have things that we should not eat in it like chemicals or pesticides. that is why organic food is more expensive because they take the time to make it right and healthy for you to eat.

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