What is the name of event caused by the 3200 Phaethon asteroid around 15 December of every year?

 

 

The process of extensive planting of trees or seeds in barren lands to increase forest cover is called as Afforestation.

Galvanised iron sheets have a coating of zinc.

An industry with fast economic growth from the starting days itself which has future importance. Industries like petrochemical industry, hydrogen fuel production, food processing industry, space tourism, and online encyclopedias.

The layer of air around the earth is known as Atmosphere. And this atmosphere has 4 layers like troposhere, stratosphere, ionosphere and mesosphere.

Inhaling of oxygen and releasing of carbon dioxide to make our living is the process called as respiration. We know that, air is a mixture several gases like 78% of nitrogen, 21% of oxygen and several other gases with watervapour.

Hence, Oxygen is essential for respiration process.

The first wholly artificial gene was synthesized by Har Gobind Khorana.

Tea crop is known as Green Gold.