General Science Questions

Hierarchy is a system of ranking in which members of a particular society are ranked in an ascending order depending on various factors.

Hence, the term hierarchy refers to a power structure in which each member knows his or her own place.

The four most common soil erosion prevention methods are vegetation, geotextiles, mulch, and retaining walls.

By planting grass in areas of concentrated water flow, farmers can prevent much of the soil erosion that results from runoff, as the grass stabilizes the soil while still providing an outlet for drainage.

Preventing soil erosion is critical in protecting your property and exposed soil, whether from wind, weather, running water, and even the after-effects of the forest fire.

Smoking can lead to emphysema as well as strokes is the true statement regarding tobacco use. Emphysema is related to the failure of lungs air sacs and cilia that eliminate the dust from the body.

Hair grows everywhere on the skin except palms, sole of feet and lips on the human body. Hair is modified type of skin.

Most important weather phenomena occur in the layer of Thermosphere.

Most of the weather phenomenon occur in the layer of Troposphere.

Carbon monoxide is a common atmospheric pollutant in the world which is produced in combustion process in automobiles and industries. It has no smell and cannot be seen.