If there are 
kilograms of air above every square meter of the surface of Earth,and Earth is modeled as a sphere of radius 
meters,what is the mass of Earth's atmosphere and what fraction of the total mass of the Earth is it? You must show your calculations to get credit for your answer.
Definitions:
Capital Per Worker
The total capital stock of an economy divided by the number of labor workers, influencing productivity.
Labor Productivity
A measure of economic performance that calculates the amount of goods and services produced per hour of labor.
Per-Worker Production Function
The relationship between the amount of capital per worker in the economy and average output per worker.
Per-Worker Production Functions
A model depicting how the output produced by an average worker changes in response to varying levels of capital or technology per worker.
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