The total surface area of the earth is:
A. 510,100,500 sq.kms
B. 500,000,000 sq.kms
C. 610,100,500 sq.kms
D. 600,000,000 sq.kms
Answer
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Hint:
> Of the total surface area of the earth, 70.8% is below sea level and is filled by ocean water.
> Given its unique form, the measurement of the surface area of the Planet involves a complex equation.
> Recent measurements suggest that the Planet has an equatorial diameter of 12,756 km and a polar diameter of 12,713.6 km.
Complete answer:
From the Sun, Earth is the third planet, the only astronomical object believed to host life. About 29 percent of the Earth's atmosphere is made up of continents and islands. The remaining 71% are filled by water mainly seas, but also lakes, rivers and other freshwater, which together form the hydrosphere. Most of the polar regions of the Earth are covered by ice.
The outer layer of the Earth is divided into many rigid tectonic plates that have been migrating around the surface for millions of years. Earth's interior remains active with a strong iron inner core, a liquid outer core that produces Earth's magnetic field, and a convective mantle that powers plate tectonics.
The given options are as follows.
The total surface area of the earth is 510.1 million km². Thus, option A is not the right answer.
The total surface area of the earth is more than 500,000,000 sq.kms Thus, Option B is the right answer.
The total surface area of the earth is less than 610,100,500 sq.kms. Hence, Option C is not the correct option.
The total surface area of the earth is less than 600,000,000 sq.kms Thus, Option D is also not a right alternative.
Therefore, the correct answer is B
Note:
About 99 percent of all the animals that have ever existed on Earth are extinct.
The overall arable land is 10.9 percent of the land area, with 1.3 per cent being a permanent cropland.
The processes that continuously reshape the Earth's surface over geological time are erosion, tectonics, volcanic eruptions, weathering, glaciation, coral reef formation, floods and meteorite impacts.
> Of the total surface area of the earth, 70.8% is below sea level and is filled by ocean water.
> Given its unique form, the measurement of the surface area of the Planet involves a complex equation.
> Recent measurements suggest that the Planet has an equatorial diameter of 12,756 km and a polar diameter of 12,713.6 km.
Complete answer:
From the Sun, Earth is the third planet, the only astronomical object believed to host life. About 29 percent of the Earth's atmosphere is made up of continents and islands. The remaining 71% are filled by water mainly seas, but also lakes, rivers and other freshwater, which together form the hydrosphere. Most of the polar regions of the Earth are covered by ice.
The outer layer of the Earth is divided into many rigid tectonic plates that have been migrating around the surface for millions of years. Earth's interior remains active with a strong iron inner core, a liquid outer core that produces Earth's magnetic field, and a convective mantle that powers plate tectonics.
The given options are as follows.
The total surface area of the earth is 510.1 million km². Thus, option A is not the right answer.
The total surface area of the earth is more than 500,000,000 sq.kms Thus, Option B is the right answer.
The total surface area of the earth is less than 610,100,500 sq.kms. Hence, Option C is not the correct option.
The total surface area of the earth is less than 600,000,000 sq.kms Thus, Option D is also not a right alternative.
Therefore, the correct answer is B
Note:
About 99 percent of all the animals that have ever existed on Earth are extinct.
The overall arable land is 10.9 percent of the land area, with 1.3 per cent being a permanent cropland.
The processes that continuously reshape the Earth's surface over geological time are erosion, tectonics, volcanic eruptions, weathering, glaciation, coral reef formation, floods and meteorite impacts.
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