Which of the following is true about the cell theory ?

What does the cell nucleus do or, how does it function?

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?