Question

1. Write any two harmful effects of algae.​

Answer 1

Explanation:

Some of the major harmful effects of Algae to human being are listed below:

Harmful to living stock: The algae are harmful to humans in several ways. ...

Blocking of photosynthesis: ...

Parasitic algae: ...

Mechanical injury: ...

Contamination of water supply: ...

Fouling of ships: ...

Deterioration of exposed fabrics:

Answer 2

Explanation:

Harmful algal blooms can:

Produce extremely dangerous toxins that can sicken or kill people and animals.

Create dead zones in the water.

Raise treatment costs for drinking water.

Hurt industries that depend on clean water.

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