Directions : Read the passages and choose the best answer to each question that follows.
"You can feel wind, but you cannot see it or grab hold of it. That is because wind is nothing more than moving air. Yet, what a different world we would live in if there were no wind.
Winds help cool the hottest lands. Winds help warm the coldest lands. Winds pick up water from the oceans and later drop this moisture as rain. Winds carry the seeds of plants from one place to another. In short, winds make our lives easier and more pleasant.
Of course, not all winds are good winds. Some hot winds keep rain from falling in deserts. Very cold winds can kill living things. Even so, we would find living very hard without winds."
The best title is ...
