According to Aluminum Association, every year over 100 billion aluminum cans are produced, and of these, approximately 60% were recycled. Measure the mass of 10 aluminum cans and use an average mass for an aluminum can to estimate the total mass of aluminum cans that was recycled.
What will be an ideal response?
Note your results may vary. Based on 10 aluminum cans that we used, the average mass for the aluminum can is approximately 15 g.
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The reason for incandescent lamp surge current when initially switched on is attributed to__________.
A. Lenz's law B. CEMF C. the positive temperature coefficient of tungsten D. the negative temperature coefficient of tungsten
?Which event contributed to a surge in the development of plastics?
A. ?The Vietnam War B. ?The Korean War C. ?The Gulf War D. ?World War II
A horizontal move to the right on the psychrometric chart corresponds to which of the following? Select all that apply.
A) A decrease in specific volume. B) An increase in enthalpy. C) A decrease in density. D) A decrease in humidity ratio. E) A decrease in relative humidity. F) A decrease in dewpoint.
____________________ principles are rules used to explain how people respond to what they see.
Fill in the blank(s) with the appropriate word(s).