Fertilizers wash away and end up in rivers and lakes, causing water pollution. Also some fertilizers can have chemicals that are bad for underwater life.
C. The lungs can better exchange oxygen
Fungal infection is when skin peeling, skin darkening, rashes, and itchiness occurs.
The correct answer is B.
If there is a native species, which compete with the non native species, the balance in the ecosystem will not be greatly affected because the non native species will not be able to destroy the ecosystem and throw it out of balance, this is because its reproduction and survival will be checkmated. But in a situation, where the non native specie has no competitor and no predator, then, it will grow and multiply unchallenged and destroy the native fish specie in the ecosystem.