Which is more dense? A foam ball or a bowling ball? Please help! Only answer if you know the answer 100%

One does not belong why? ice, gold ,wood ,diamond and table salt

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?

How have the greenhouse gasses increased from the year 2000 to 2018