Discuss the uses of lead, zinc, tin, and mercury
What will be an ideal response?
Lead is used in batteries, gasoline, paint, and metal building products. Zinc is used in kitchen utensils, vacuum
cleaners, and washing machines. Tin is used in the production of bronze. Mercury is used in electrical equipment,
special paints, and industrial chemicals
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Installing 16 solar PV panels required 2?8 hours of work. If each panel took the same amount of time to install it, how much time was needed for 1 panel to be installed?
Fill in the blank(s) with the appropriate word(s).
Federal marketing orders were created in 1937 by way of which legislative act?
A) Robinson-Putman Act B) Agricultural Marketing Agreement Act C) Capper-Volstead Act D) Cooperative Marketing Act
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A. Asia-Pacific B. North America and Western Europe C. Central and South America D. Africa and South America E. A and D above
The _________ ___________ is the valve that controls the amount of airflow into the engine.
Fill in the blank(s) with the appropriate word(s).