Questions

Crystal size in igneous rocks is determined by rate of cooling i.e, the time taken by magma to cool down. 

Hence, the slower the rate of cooling the larger the crystals. The faster the rate of cooling the smaller the crystals.

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.

James Madison was the one who became President in the future after writing The federalist papers. Alexander Hamilton, James Madison and John Jay were the three who wrote The federalist papers. 

Justice T.B.N Radhakrishnan is the first Chief Justice of the newly formed Telangana High Court.

NASA's spacecraft "JUNO"is sent for Jupiter mission.