what animals do you think Tyrannosaurus rex would eat? why do you think that?(please help I have to get this done tomorrow)

Once similarity and one difference between a mixture of elements and a mixture of compounds

What prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?

What two factors can affect the properties of a hydrocarbon? a. the number of its carbon atoms and the number of single bonds b. the number of its carbon atoms and the arrangement of its atoms c. the arrangement of its atoms and the number of its double bonds