Continents of the world

Question 1

• The study of the physical features of the earth and its atmosphere, and of human activity as it affects and is affected by these, including the distribution of populations and resources, land use, and industries

Answer 1

1. Geography

Question 2

• The scientific study of the natural features of the Earth’s surface, especially in its current aspects, including land formation, climate, currents, and distribution of flora and fauna.

Answer 2

2. Physical Geography

Question 3

• It is a flat, elevated landform that rises sharply above the surrounding area on at least one side.

Answer 3

3. Plateau

Question 4

• It is water released from clouds in the form of rain, freezing rain, sleet, snow, or hail. It is the primary connection in the water cycle that provides for the delivery of atmospheric water to the Earth.

Answer 4

4. Precipitation

Question 5

• An area of a large accumulation of sand, generally at the bottom of a huge basin in which a former river piled up alluvium (a deposit of clay, silt, sand, and gravel left by flowing streams in a river valley or delta, typically producing fertile soil.)

Answer 5

5. Sand sea

Question 6

having little or no rain; too dry or barren to support vegetation.

Answer 6

6. Arid

Question 7

• a grassy plain in tropical and subtropical regions, with few trees.

Answer 7

7. Savanna

Question 8

• hot fluid or semifluid material below or within the earth’s crust from which lava and other igneous rock is formed on cooling.

Answer 8

8. Magma

Question 9

• It is a layer inside a planetary body bounded below by a core and above by a crust.

Answer 9

9. Mantle

Question 10

• These are trees that live along tropical coastlines, rooted in salty sediments, often underwater.

Answer 10

10. Mangroves

Question 11

• A large naturally occurring community of flora and fauna occupying a major habitat.

Answer 11

11. Biome

Question 12

• a low bank or reef of coral, rock, or sand.

Answer 12

Cay

Question 13

• A rock that forms when magma (molten rock) cools and crystallizes, either at volcanoes on the surface of the Earth or while the melted rock is still inside the crust.

Answer 13

13. Igneous Rock

Question 14

A rock that has become changed by intense heat or pressure while forming.

Answer 14

14. Metamorphic Rock

Question 15

• A massive, irregularly shaped slab of solid rock generally composed of both continental and oceanic lithosphere(the solid, outer part of the Earth).

Answer 15

15. Tectonic Plates

Question 16

is the world’s largest continent both by population and by land area. It comprises 30% of the world’s land area. Around 60% of the world’s population lives in Asia.

Answer 16

1. Asia

Question 17

• Himalayas - composed of three mountain belts, one of which includes the highest mountain summit, Mt. Everest.
• Tien Shan - means ‘Celestial Mountains’ in Chinese; It has more than 10,000 square kilometers of glaciers.
• Ural Mountains - are some of the oldest mountains in the world.

Answer 17

a. Mountain Systems

Question 18

• Iranian Plateau is not uniformly flat but contains some high mountains and low river basins.
• Deccan Plateau makes up most of the southern part of India.
• Tibetan Plateau is usually considered the largest and highest area ever to exist in the history of Earth. It is known as the “Rooftop of the World.”

Answer 18

b. Plateaus

Question 19

• broad area of relatively flat land. is a dry, grassy plain that occurs in temperate climates. Meanwhile, an area of land that receives no more than 25 centimeters (10 inches) of precipitation a year.
• The West Siberian Plain, located in central Russia, is considered one of the world’s largest areas of continuous flatland.
• Central Asia is dominated by a steppe landscape.
• The Rub’ al Khali desert is considered the world’s largest sand sea. It holds roughly half as much sand as Africa’s Sahara desert, even though it is 15 times smaller in size. It is known as the Empty Quarter because it is virtually inhospitable to humans except for Bedouin tribes that live on its edges

Answer 19

c. Plains, Steppes and Deserts

Question 20

• Lake Baikal, located in southern Russia, is the deepest lake in the world. It contains 20% of the world’s unfrozen freshwater, making it the largest reservoir on Earth. It is also the world’s oldest lake, at 25 million years old.
• The Yangtze is the longest river in Asia and the third longest in the world. It is considered the lifeblood of China. It drains one-fifth of the country’s land area, is home to one-third of its population, and contributes greatly to China’s economy.
• The Tigris and Euphrates Rivers are more famous for the land between the two rivers, Mesopotamia, which was the center of the earliest civilizations, including Sumer and the Akkadian Empire

Answer 20

d. Freshwater

Question 21

• The Persian Gulf is subject to high rates of evaporation, making it shallow and extremely salty. The seabed beneath the Persian Gulf contains an estimated 50% of the world’s oil reserves.
• The Bay of Bengal is the largest bay in the world.

Answer 21

e. Saltwater

Question 22

is the world’s second largest continent by both land area and population. The equator runs through Africa in the middle of the continent. Around one-third of Africa is located in the Southern Hemisphere. Africa makes up about 20% of the world’s total land area.

Answer 22

2. Africa

Question 23

is the third largest continent in the world by land area. By population, it is the fourth largest. it is found entirely in the northern hemisphere.

Answer 23

North America

Question 24

is the world’s fourth largest continent by land area, and the world’s fifth most populous. It is mostly situated in the southern hemisphere, with the exception of a small area in the northernmost portion of the continent. It is found completely in the western hemisphere.

Answer 24

4. South America

Question 25

which is located at the South Pole, has no permanent population and no countries. It is reserved for use as a scientific base. It is the fifth largest continent by land area and the least populated continent. Antarctica is an island and is completely surrounded by the Southern Ocean.

Answer 25

5. Antarctica,

Question 26

is the world’s third most populated continent, and the sixth largest continent by land area. Although physically connected to Asia,

Answer 26

6. Europe

Question 27

is the world’s smallest continent and second least populated. The term Oceania is also used to describe this region in order to differentiate it from the country of Australia. However, Oceania is not a continent but is instead a continental grouping. The term Australasia is also sometimes used to refer to this region. Countries included in the Australian continent include Australia, Papua New Guinea, and portions of Indonesia.

Answer 27

7. Australia