When they are all close, they are called clusters
Answer :A
“As a cold front moves into an area, the heavier (more dense) cool air pushes under the lighter (less dense) warm air, causing it to rise up into the troposphere. ... As the cold front passes, winds become gusty. There is a sudden drop in temperature, and also heavy rain, sometimes with hail, thunder, and lightning.”
Answer:
advantage
* The scale is essential consant;
*Some objects not visiable on vertical photos may be seen in obiliqe.
disadvantage
*it lacks marginal .
*it requires more training to interpert than a map.
Answer: D) eliminates the need for trade with other nations
Explanation:
Having comparative advantage on the production of a good or service means that a country can produce that good or service cheaper and be able to exchange it for other goods and services that other countries are offering.
International trade is therefore very important to countries acting on comparative advantage because the country will not produce all that it needs but rather what it is good at producing. This means that trade with other countries is still needed to provide those goods that they need but find it expensive to produce.
Answer:
The answer would be A.
Explanation:
It would be a because comets orbit around the sun and has a very small chance at crashing into the Earth.