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Chapter 1: Q41. (page 16)

The amount of Earth’s surface is covered by land.

Short Answer

Expert verified

310of Earth’s surface is covered by land.

Step by step solution

01

Step 1.

About710 of Earth’s surface is covered by water.

02

Step 2. Concept.

If a complete circle is divided into two parts and if the proportion of one part is x, then the proportion of the second part is 1-x.

03

Step 3. Calculation.

Consider the provided statement “about 710of Earth’s surface is covered by land.”

Recall that if a complete circle is divided into two parts and if the proportion of one part is x, then the proportion of the second part is 1 - x.

Here, Earth represents the one circle that is divided into two parts i.e., land and water. The proportion of water is given as 710.

So, Earth’s surface covered by land is,

1-710=10-710

=310

Hence, 310of Earth’s surface is covered by land.

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