There are how many vocal cords in the human voice box?
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Blood leaving the liver and moving towards the heart has a higher concentration of _____ .
Which of the following disease is not caused by water pollution?
Goods whose demand is proportional to price are called
Which one of the following is not a borderline element?
Which of the following gases turns lime water milky?
Which of the following processes will take place the slowest for the same quantity of liquid?
(−12)[11+7×(−3)]÷{}[413−(−3)×(−6)]=