Miscellaneous

The city of Washington, DC, is located on the banks of the Potomac River. It is the capital of the United States of America.

The highest number of tube wells are found in India. India is the largest user of groundwater in agriculture in the world.

The full form of ITCZ is The Intertropical Convergence Zone. It is the area encircling Earth near the Equator, where a convergence of the northeast and southeast trade winds occurs.

The North Pole was discovered by Robert Peary and the South Pole was discovered by Amundsen.

The four main directions - North, South, East and West are called 'Cardinal Points'.

Sirocco is a Mediterranean wind from the Sahara and can reach hurricane speeds in North Africa and Southern Europe, especially during the summer.

The Loo is a strong, dusty, gusty, hot, and dry summer wind from the west which blows over the western Indo-Gangetic Plain region of North India and Pakistan.

Kaal baisakhi is a localised rainfall and thunder- storm event which occurs in Bangladesh as well as the Indian states of Bihar, Jharkhand, Odisha, Tripura and West Bengal.

Trade winds are the winds that blow from the west towards the east in the middle latitudes be- tween 30° and 60° latitude in both northern and southern hemispheres.

A moraine is any glacially formed accumulation of unconsolidated glacial debris (regolith and rock) that occurs in both currently and formerly glaciated regions on Earth.

Approximately 97% of the total water on the surface of Earth is accounted for by the oceans.

The Beaufort scale is used to measure wind velocity The scale was developed in 1805 by Francis Beaufort