D.
Small particles of rock are carried by wind over an area. The particles start to accumulate making hills of sand.
Let me know if I’m wrong!
325.7 million (2017)
326,766,748 (2018)
Zinc and petroleum would be the best aswer.
<span>A meniscus is the curved surface at the top of a column of liquid. In a science class, this liquid is usually water or some sort of aqueous solution, and the column is usually a graduated cylinder or a pipet. As you may have noticed, when water is in such a thin glass tube, it does not have a flat surface at the top. Instead, the top is curved inward, making it a little difficult to decide exactly where to read the volume.</span>
Answer:
Agriculture provides employment opportunities for rural people on a large scale in underdeveloped and developing countries. It is an important source of livelihood. ... These rural units fulfill merely local demands. In India about 70.6% of total labour force depends upon agricultur