Why should united states and canada protect their natural vegetation?

Select the correct text in the passage. the moving continents affect all subsystems on earth. which sentence identifies a potentially negative consequence of shifting continents? the supercontinent pangaea began to break up about 175 million years ago. [during this process, more coastline was exposed as the landmasses separated]. [the rearrangement and displacement of these huge landmasses resulted in the diversity of plants and animals we see on earth today]. [the movement of the plates sometimes leads to earthquakes and tsunamis]. however, over the long course of earth's history, their effects are usually minimal. in oceans, the plate movements usually lead to seafloor spreading. [seafloor spreading often results in the formation of underwater ranges of mountains].

Alow-pressure belt means the air is cold and dry warm and rising cold and sinking warm and moist

With these question would be nice i needs them in a hurry which nation leads eastern europe in nuclear energy usage? a ukraine b lithuania c slovakia d solvenia which eastern european nation is popular with skiers? a czech republic b estonia c bulgaria d none are