Plains<span> occur as lowlands along the bottoms of </span>valleys<span> or on the doorsteps of mountains, as coastal </span>plains<span>, and as plateaus or uplands. In a </span>valley<span>, a </span>plain<span> is enclosed on two sides but in other cases a </span>plain<span> may be delineated by a complete or partial ring of hills, by mountains or cliffs.</span>
Not enough oxygen
rainforests will turn into desserts like the Sahara dessert which use to be a tropical place.
Answer: The Internet is bringing culture closer to more people, making it more easily and quickly accessible
I would say the answer is A. (Plebs) :)
He's WRONG
The answer is <em><u>50%.</u></em>
<u><em>SOS:</em></u> Approximately one-half the income in Central America comes from its exports. Half of this trade is with the U.S. and Canada; other trading partners include Europe, Mexico, and South America. The Panama Canal is very important for trade within the region.
