Answer:
Help with what?
Explanation:
You didn't give us anything to help you with.
Answer:
a. The fish are dying due to factory pollution making the water of the pond uninhabitable.
b. The pond can be neutralized by adding something basic to balance the pH levels of the pond, or by adding significant amounts of water to dillute the acidity of the pond.
Vanadium (V)
Vanadium is the only one in the 4th period here so
