Glaciers carry soil from one place to another. This means that a lot of the fertile soil used mainly for that one area could have been taken away and effected negatively because the fertile soil on the bottom isn't as good as the one on the top, which has been dragged away by glaciers. However, it can take soil to environments where soil is needed, helping it.
(So sorry but the same questions get the same answers lol)
Answer:
Alaska Volcano
Observatory has issued warnings stating that either or both could erupt in the weeks or months ahead, sending ash plumes into the atmosphere and possibly disrupting air traffic between Asia and North America.
<em>air moves because of two reasons..
1 temperature difference
2 pressure difference
<u>1 temperature difference :
</u> when there is temperature difference in the atmosphere ,,hot air rises and cold air takes its place ... so movement of air occurs..
<u>2 pressure difference:
</u><u /> also when there is pressure difference in atmosphere ,, air moves away from the area where there is more pressure..
<u>if there is no temperature and pressure difference then air will not move...
</u>
</em>
