Question

*The red tides in the sea are caused by __________.*

1️⃣ Lichens
2️⃣ Protozoa
3️⃣ Dinoflagellates
4️⃣ Chrysophyta​

Answer 1

Answer:

algae is the answer

Explanation:

please mark me as brilliant

Answer 2

dinoflagellate cause red tide in a sea. it releases a toxic which is red in colour and due to which sea appear red. it kill many fishes as it is toxic in nature