Satellite imagery would be most useful in
2 answers:
You might be interested in
I am absolutely sure that <span>the percent of the Sahara Desert is covered by sand sheets and dunes is definitely 25 %. Even though it might seem weird, it is actually correct and here are the pic from artcicle about Sahara which will pose as a proof : )
Do hope it will help!
</span>
Do hope it will help!
</span>