Questions

the least populated state in India as per Census 2011 is Sikkim.

We know that,

Mass of Carbon = 12 gms

Mass of Oxygen = 16 gms = O2 => 16 * 2 = 32 gms

=> Mass of 1 mole of CO2 = 12 + 32 = 44 gms.

Cobalt therapy or cobalt-60 therapy is the medical use of gamma rays from the radioisotope cobalt-60 to treat conditions such as cancer.

Cobalt 60 is a synthetic radioactive isotope of cobalt with a half-life of 5.2714 years. It is produced artificially in nuclear reactors.

A republic is a form of government where a state or country is ruled by peoples representatives. These representatives were elected by the people and must follow the rule of law under the constitution in his ruling.

Atal Bihari Vajpayee was a Member of Parliament for 12 times i.e, 10 times for lok sabha and 2 times for rajya sabha.

Photosynthesis process removes carbon dioxide from the atmosphere. Green plants remove carbon dioxide from the atmosphere by photosynthesis. 

The level of carbon dioxide in the atmosphere is maintained by several processes, including photosynthesis, respiration and combustion.