   Chapter 1, Problem 35P

Chapter
Section
Textbook Problem

The habitable part of Earth’s surface has been estimated to cover 60 trillion square meters. Estimate the percent of this area occupied by humans if Earth’s current population stood packed together as people do in a crowded elevator.

To determine
The percentage of area occupied by human if Earth’s current population stood packed together as people do in a crowded elevator.

Explanation

Given Info: The population of earth is 7.3×109 and the surface area of the Earth (Aearth) is 60×1012m2 .

Explanation:

The area occupied by all the population of the Earth (Apeople) and considered six people can stand within 1m2 of area.

Calculating the total area occupied by the population of Earth,

(Apeople)=(7.3×109)(1m26people)=1.2×109m2

Thus, total area occupied (Apeople) is 1.2×109m2

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