Question

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What does excessive algae on water cause?
When algae cover a river surface, it causes depletion of oxygen in water. This is known as
hyperoxia
hypoxia

Answer 1

Excessive algae on water causes hypoxia, a decrease in oxygen levels in the water.

Step-by-step explanation:

Excessive algae on water causes a decrease in oxygen levels in the water, a condition known as hypoxia. Algae consume oxygen during their growth, and when there is an overabundance of algae, they utilize more oxygen than what is being produced through photosynthesis. As a result, the oxygen concentration in the water decreases, leading to negative impacts on aquatic organisms.

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