Lorena is gathering details about red tides based on the essential question “What is it?” Which detail best answers that question? A red tide can make the air toxic and can have harmful effects on humans, sea life, and birds.

A red tide does not happen in cold water but in warm water anywhere along the coastline.

A red tide is when harmful algae grow out of control in the ocean and become toxic.

A red tide usually occurs during warm months. For example, there are red tides every summer along the coast of Florida.