<em>Australian tourists is a proper noun and the Harry's elephant is aslo while hippos is common noun.</em><em> </em>
D. to convey thoughts and feelings :)
There would be a greater chance that their information was accurate was such a vast number of people the outcome would be much more accurate than a small number such as 100
Peter hates to keep waiting.
D,<span> Sara suddenly became very ill; therefore, she went to see her doctor.</span>