This is a organic and bio chemistry class and I don’t know if I found all of the polyatomic ions or if the ones I have selected are right !

answers: to make sure that all of the broken pieces of tablet were added to the water, to allow for fair comparison of all three trials, with different particle sizes to avoid experimental error

while cooking a piece of 1/2 pound beef steak, a cast iron pan (2.4kg in weight) was heated 260 celsius.