<span>Did you hear about the mathematician who wanted to make a fruit salad,s so he bought some apples and oranges and ordered pears.
Ordered pears under this context is a pun for ordered pairs, which explains that </span>the objects appear in the pair<span> is significant: the </span>ordered pair<span> (a, b)definitely different than </span><span>(b, a) unless a = b.</span>
Observing nature is great because you can learn so much about the world around you.
Obseving the earth can help you make new discoveries
B) brightest light because brighter light wouldn't make sense.
