<span> It is erosion by wind of loose material from flat areas of
dry, uncemented sediments such as those occurring in deserts, dry lake
beds, floodplains, and glacial outwash plains.
So the answer would be A
</span>
They’re known as gateway drugs.
Approximately one billion oxygen molecules. that is because there are about 250 million molecules of haemoglobin in each cell, and each haemoglobin molecule binds to 4 oxygen molecules
