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04. Major Water Bodies

Answer in one line

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Last edited 43 days ago by Learn LoopHQ.

Chapter: 04. Major Water Bodies

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Answer in One Line

What percentage of the Earth’s surface is covered by water?

Water covers approximately 71% of the Earth’s surface.

Name the five oceans of the world.

The five oceans are the Pacific, Atlantic, Indian, Arctic, and Southern Oceans.

Which ocean is known as the ‘Ring of Fire’ due to its active volcanoes?

The Pacific Ocean is known as the ‘Ring of Fire’ due to the concentration of active volcanoes along its borders.

Besides the Mariana Trench, name two other significant trenches found in the Pacific Ocean.

Two other significant trenches in the Pacific Ocean are the Philippine (Mindanao) Trench and the Japan Trench.

What is the shape of the Atlantic Ocean?

The Atlantic Ocean is shaped like the letter ‘S’.

Why is the Indian Ocean named after India?

The Indian Ocean is named after India because India is prominently located at the head of this ocean.

Which ocean is the smallest and shallowest?

The Arctic Ocean is the smallest and shallowest ocean.

How is tidal energy produced?

Tidal energy is produced by harnessing the enormous energy contained in the movement of ocean tidal waves.

What is the primary role of oceans in facilitating international trade?

Oceans facilitate international trade by providing essential routes for transporting goods across the globe.

How does evaporation from oceans contribute to the climate?

Evaporation from ocean surfaces transfers water vapor to the atmosphere, which later falls as rain, thus moderating the climate of coastal areas.

What specific types of harm does plastic pollution cause to marine animals?

Plastic pollution causes suffocation, entanglement, laceration, infections, and internal injuries to marine animals.

What is the main difference in location between a sea and an ocean?

A sea is a part of an ocean that is smaller and shallower, typically located closer to the edge of a landmass or continent.

Give an example of a large saline water body that is cut off from the open ocean but still called a ‘sea’.

The Caspian Sea or the Dead Sea are examples of large saline water bodies cut off from the open ocean that are still referred to as ‘seas’.

What is the key difference in indentation between a gulf and a bay?

A gulf is a deep indentation of the sea with a narrow opening, whereas a bay is a broad, semicircular indentation.

Which two large water bodies does the Strait of Gibraltar connect?

The Strait of Gibraltar connects the Mediterranean Sea to the North Atlantic Ocean.

How are man-made lakes typically formed?

Man-made lakes are typically formed as reservoirs constructed along with dams to store water.

Which lake is the largest in Africa and the main reservoir of the Nile River?

Lake Victoria is the largest lake in Africa and serves as the main reservoir for the Nile River.

What makes Chilika Lake important for migratory birds?

Chilika Lake serves as the largest ground for migratory birds in the Indian subcontinent during winter.

What is the ‘mouth’ of a river?

The mouth of a river is the place where the river ends its journey, normally entering a sea or a lake.

Describe the flow of a river in its upper course.

In its upper course, a river flows very swiftly because it is typically located in mountainous areas where the land is steep.

Which river is known as the Yellow River and is considered the cradle of Chinese civilization?

The Huang He, also known as the Yellow River, is considered the cradle of the Chinese civilization.

Which river is Europe’s second-longest and flows through or along the borders of ten European countries?

The Danube River is Europe’s second-longest and flows through or along the borders of ten European countries.

Which river is the longest in Asia and the third-longest in the world?

The Yangtze River is the longest river in Asia and the third-longest in the world.

Name two ways in which rivers provide energy.

Rivers provide energy by powering hydroelectric plants to generate electricity and by facilitating industries to grow through power generation.

List three common sources of water pollution.

Three common sources of water pollution are untreated liquid waste from households, liquid waste from thermal power plants, and surface run-off from farms.

How do oil spills harm birds?

Oil spills harm birds by coating their feathers, which can lead to poisoning when the birds attempt to clean themselves.

What are microplastics?

Microplastics are tiny pieces of plastic that remain after larger plastic items break down but do not fully degrade, taking thousands of years to do so.

Who was Marie Tharp and what was her significant discovery?

Marie Tharp was a geologist and oceanographic cartographer who notably discovered the Mid-Atlantic Ridge, a vast underwater mountain range in the Atlantic Ocean.

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