A. Right off the bat because the main purpose is the keep a check on the weather, seeing if it's a storm developing or just to collect data and compare with past/ recent data.
The answer is France - it is both south of Belgium and north of Spain.
Poland has been Catholic for a long while and since the Church is an ecclesiestical institution, it plays no big role in trade. The Soviet Union had a very protective attitude towards its products and only a few categories of them were exported; it is quite possible that exports dropped during this period. THe Warsaw Pact marked a significant counterpoint to the NATO initiative but most countries were already good trade partners to the Soviet Union (and again, the pact was not about trade). The right answer is European Union; the open borders and the influx of technology has increased the potential for exports from Poland.
<span>Earth’s rotation takes about
24 hours. By definition, the rotation of earth is the amount of time it takes
to rotate once around its axis. On average, this apparently happens once a day i.e
after every 24 hours with respect to the sun (solar day) and once after every
23 hours, 56 minutes and 4.09 seconds with respect to the stars (sidereal day).
</span>
The answer is rain because it can snow, hail, or sleet in tropical wet climate areas.