You are installing solar collectors on the roof of your home to reduce your use of propane gas, which you use to heat both your hot water tank and the living spaces in your home. In doing so, you are using a(n) ____ resource rather than a(n) ____ resource.
A. renewable; nonrenewable
B. inexhaustible; renewable
C. renewable; inexhaustible
D. nonrenewable; renewable
E. inexhaustible; nonrenewable
Answer: E
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Ethanol produced from bioenergy starts with ________ produced by ________
A) ammonia; anaerobic bacteria B) hydrogen gas; wind turbines C) methane; sewage sludge D) CO2; burning fossil fuels E) starch; corn and sugar cane
Which of the following occurs when an acid reacts with an active metal?
A) The metal is reduced. B) The water is oxidized. C) both a and b D) neither a nor b
Which of the following is NOT one of the four dominant climate types for the Russian region?
a. Humid continental cold b. Desert c. Semiarid / steppe d. Humid continental warm e. Subarctic
Atmospheric disturbances
What will be an ideal response?