Where can you buy previously owned metal items? - instruments - hobby lobby - junkyard - ore - car  The best answer is
junkyard
(Question)
What could hydrogen be added to to cause it to explode? - universe - chemistry lab - ocean - texas - air  The best answer is
(Answer)
air
Ques: Sam thought that his efforts were necessary, but in reality the accomplished nothing.  They were what? - superfluous - useless - swap cs - unneeded - useless  The best answer is
Ans: useless
(Q).
Authors have a wide range of emotions from relief to happiness when they finally what? - complete writing - write books - word passage - start book - write poems  The best answer is
(A).
complete writing
Ques:Where could you find passengers that are planning to travel to another continent? - car - bus depot - bus stop - library - airport  The best answer is

Ans:airport
Where can one attend a famous bazaar? - china - festival - istanbul - arabia - india  The best answer is
india