Question

what is a red tide?

water discoloration caused by leaked radioactivity mixing with saline water.
a type of algal bloom.
a type of effluent sewer discharge.
a type of oceanic garbage patch found in the pacific ocean.

Explanation:

Define Red Tide

A red tide is a common name for a phenomenon known as a harmful algal bloom (HAB).

Identify the cause

It occurs when microscopic algae (specifically dinoflagellates) multiply rapidly, discoloring the water.

Match with options

The option "A type of algal bloom" directly and accurately describes a red tide.

Answer:

• Water discoloration caused by leaked radioactivity mixing with saline water.
• A type of algal bloom. (Correct answer)
• A type of effluent sewer discharge.
• A type of oceanic garbage patch found in the Pacific Ocean.