Answer:
It adds emphasis to the statement. If the statement is important than you would place an "!" You would also use an exclamation mark when a speaker is excited.
Explanation:
Answer:
Plants and Animals are the two main sources of food.
The word in the scentence is " Looked" or "around", both acceptible
Optimism is all the rage. The enthusiastic cheer of motivational speakers has now received a seal of approval from scientists. So, apparently it's confirmed: Optimism<span> is good</span><span> for you.</span>
