Answer:
A.
Explanation:
Passive margins have no trenches because they do not have any tectonic plate activity.
Seaworks prevent flooding and are useful.
It destroyed the Russian economy, but freed many nations that were behind its Iron Curtain. But thanks to Vladimir Putin, the Russian economy is doing better than it has been in many years. Oh, it also "ended" the Cold War.
<span>The answer is Namibia. Namibia, a large and sparsely populated country on Africa's south-west coast, has enjoyed stability since gaining independence in 1990 after a long struggle against rule by south Africa. It has a population of about 2.1 Million inhabitants and an area of 0.8 million km^2. The country belongs to the most sparsely populated countries in the world.</span>
Temperature and Pressure differences. As air gets hotter it expands and therefore loses density, rising up. Cooler air then flows to fill the area the hot air left behind.
