Since there are 3 F atoms and only one Co atom, the mixture would be 75% Fluorine
His enrollment papers and report cards are in his cumulative folder.
Labor-saving devices are inventions that reduce the time and effort needed to perform or complete a task. Farm equipment, home appliances and construction equipment are examples of mechanical inventions that save time and physical labor.
I would most definitely say the first one "does anyone hear the thunder?"
mostly because the other one does not make any sense at all it sounds ghetto "do anyone hear the thunder?" do you see the difference between does and do? so the first choice is the better choice.
i really hope i helped you out in some type of way :)))
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