Questions

Herodotus, a Greek author written the first history book in 5th century B.C.

Plants make their own food through the process of photosynthesis. Plants are self-sufficient. Green plants have the ability to prepare their own food and this is the reason why they are called autotrophs.

They make their own food through the process of photosynthesis using light energy to make sugars from carbon dioxide (C02) and water (H20). The chlorophyll which is present in the leaves is the main reason for the production of food in the plants and it is the reason for the greenery of the leaves too.

The water cycle is a term for the movement of water between the Earth's surface, the sky and underground. Water evaporates due to heat from the sun. Hence, the water cycle is driven primarily by the energy from the sun.

This solar energy drives the cycle by evaporating water from the oceans, lakes, rivers, and even the soil. Other water moves from plants to the atmosphere through the process of transpiration.

The place which is designated as 0 degrees longitude is Greenwich, England.

Wild goats and snow leopards are found in Himalayan region. 

The fall of the Czar is known as February Revolution because, according to the old Russian calender, it occured on 27 February 1917.

Rajeev Suri