Give reasons for :
Carbon is a tetravalent in nature.

Give reasons for deforestation.

State whether the following statements are true or false. If false then rewrite the correct statements: Carbon is tetravalent and it can undergo catenation.

Give reasons: Oxygen cycle can not operate in nature in the absence of green plants.

Give reason of inert gases

Give reasons for need of Hybridisation.

Give scientific reasons : Carbon atoms are capable of forming an unlimited number of compounds.

Give the uses of Carbon dioxide.

Give scientific reasons: Air is a mixture

Give scientific reasons: Hydrogen is an element.

Give reason "Predators are prudent in nature".