Interpretation : The best drawing that represents a sample of air is to be decided.
Concept Introduction : The ability to solve a problem is a skill that is employed all the time.
The methods for solving numerical problems are arranged into a three-step approach to problem-solving.
Answer to Problem 73A
Option (c).
The best drawing that represents a sample of air is option (c).
Explanation of Solution
The problem-solving strategy has been proven to be very beneficial and efficient.
Analyzing, calculating, and evaluating are the steps in solving a numerical word problem.
The air that is breathed is composed of 80% nitrogen and 20% oxygen.
Nitrogen and oxygen are in the 4:1 ratio.
Nitrogen is four times higher than oxygen.
Look for the picture where nitrogen is four times higher than oxygen.
A correct answer is option (c).
Chapter 1 Solutions
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