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The population of the world continues to grow, creating an increased need for fuel to heat our homes, schools, and workplaces. Which of the following would

best conserve Earth’s natural resources?
A. using more electricity as a source of heat
B. using more solar energy as a source of heat
C. using more coal or charcoal as a source of heat
D. using more oil or natural gas as a source of heat


It's B because electricity, coal and natural gases are non-renewable materials, meaning when this materials were gone we cannot produce other. while the solar energy from the sun was unlimited.
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B. because the sun doesn't run out of solar energy and that it's being natural does not contribute to pollution
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