... which means the
writer gives first-hand information, or if the source
is a secondary source, which means the writer gives
second- hand information. Another point to consider
is whether the source ... bladder,
so they use their forward movement to control their vertical
position. The tail is like the shark’s propeller. The shark swings it
back and forth to move forward. In an ai...
... Advertisements. They’re everywhere. You can’t hide from them.
There’s no escape. Turn on the TV. There they are. Turn on the radio.
There they are. Waiting for an elevator? There they are. Using ... Hemisphere, they blow from the
northeast and are called the Northeast Trade Winds. In the
Southern Hemisphere, they blow from the southeast and are
called the Southeast Trade Winds...