C. both a and b
Based on my knowledge of energy conversation, Both A (Manufactures can increase a light bub's....) and B ( Energy can be conserved by turning off light when they.....) which makes you C the correct statement.
<span>construction work is more dangerous <span>than teaching</span></span>
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Answer is D. Explanation because it is
Answer:
The stock market crashed.
Explanation:
The stock market crashed and so people got upset because then their money lowered and then people began ending lives because of the Great Depression.