Seas

A sea is a large body of saltwater that is partially enclosed by land. It is smaller than an ocean and is typically partially enclosed by land. Seas are important features of the Earth's surface and have a significant impact on the climate, economy, and ecosystems.

Formation of Seas

Seas are primarily formed through the movements of tectonic plates, volcanic activity, and changes in sea levels. They can also be the result of the flooding of a land area by the ocean or the breaking apart of continents.

Characteristics of Seas

Seas vary in size, depth, and marine life. They can be shallow or deep, and their temperatures and salinity levels can also vary. Some seas are known for their rich biodiversity, while others may have unique geological features.

Importance of Seas

Seas play a crucial role in regulating the Earth's climate and weather patterns. They also support a diverse range of marine life and are a vital source of food and resources for human populations. Additionally, seas are significant for transportation, trade, and tourism.

Study Guide

1. What is a sea?
2. How are seas formed?
3. What are the characteristics of seas?
4. Why are seas important?
5. Identify and describe at least three seas around the world.