Questions

Former cricketer Ravi Shastri has been named the New coach of Team India on a Two year contract.

This will be Shastri's second stint with the team, after being the director from 2014 - 2016.

Mammals and Birds are Warm-blooded Animals.

Warm-blooded animals have body temperatures that usually stay the same Whether it is sunny and hot outside or there is a snowstorm.They are able to regulate their body temperature which changes with temperature of environment.

• Warm Blooded Animals :: Apes, Monkeys, Whales, Elephants, Cheetahs, Giraffes, Pets, Felines, Pigs and Humans(all other live birth bearing creatures that nurse their young)..

• Cold Blooded Animals :: All Reptiles, Amphibians, Fish as well as Insects (Bugs).

The four bonds of carbon tetrachloride (CCl4) are polar, but the molecule is nonpolar because the bond polarity is cancelled by the symmetric tetrahedral shape. Hence, making the net dipole as zero and molecule as non-polar.

When other atoms substitute for some of the Cl atoms, the symmetry is broken and the molecule becomes polar.

Superhero Batman shares a name with an oil production Batman, a town in Turkey.

A greenhouse gas is a gas in an atmosphere that absorbs and emits radiant energy within the thermal infrared range. This process is the fundamental cause of the greenhouse effect. 

Carbon dioxide is a main greenhouse gas, found in car exhaust pipes.
Methane and nitrous oxide is another type of greenhouse gas.

Oxygen is the only clean gas out there because we need it to survive. Therefore, the only gas that is not a greenhouse gas is Oxygen.