Questions

It is due to the deficiency of Vitamin A. Retinol which is present in vitamin A. Its deficiency causes night blindness. It is available in carrots. 

It forms slow crystallization of magma below Earth's surface.Granite is a hard light-colored igneous rock and it is composed mainly of quartz and feldspar with minor amounts of mica, amphiboles and other minerals it is mainly used for building and monuments

Indian state that has the maximum number of Lok Sabha constituencies is Uttar Pradesh with 80 Lok sabha seats.

Julian Assange

Holland is also known as Netherlands, which means "Low lands". Dutch Engineers reclaimed considerable part of the seabed by building dykes and pumping out the sea water into canals. Some houses in Holland are below sea level. Belgium has also Low lands  bordering the North Sea and dykes are constructed to control the encroachment of the sea.

Tectonic plates are pieces of Earth's crust and uppermost mantle, together referred to as the lithosphere. These plates which float on and travel independently over the mantle and much of the earth's seismic activity occurs at the boundaries of these plates.

The seven major plates are the African plate, Antarctic plate, Eurasian plate, Indo-Australian plate, North American plate, Pacific plate and South American plate.

Volcanoes usually form along plate boundaries , where tectonic plates are either moving towards or away from one another. They may be convergent or divergent.