Answer:
Cool dense water sinks to the ocean floor.
Warm water replaces cool surface water.
Wind blowing parallel to the shore causes upwelling of cool water.
Answer: they’re mammals
Explanation:
Whales differ from fish because even though they are aquatic animals they are mammals and have the surface for oxygen. They also differ from fish by birthing live young
Answer: 3. Atomic number
Explanation: Good luck! :D
