Question

Which action would increase the amount of oxygen in a fish tank?

A.) adding more fish
B.) adding more plants
C.) placing food in the tank
D.) placing a water heater in the tank

Answer 1

Answer:

B) Adding more plants

Explanation:

Live plants produce oxygen and absorb carbon dioxide and ammonia in the water that fish generate

Answer 2

Answer:

Adding more plants is your answer...

Explanation:

This is bcs they produce oxygen (O2) and absorb the carbon dioxide (CO2) and ammonia (NH3) that your fish generate. mark as brainliest ty and have a great day