Questions

Most important weather phenomena occur in the layer of Thermosphere.

Most of the weather phenomenon occur in the layer of Troposphere.

without this centripetal force, circular motion is not possible. It acts radially towards the centre and if this force is removed there will be no circular motion but the revolving body will fly off at a tangent.

Galloping inflation is also known as jumping inflation.

It refers to a type of inflation that occurs when the prices of goods and services increase at the two-digit or three-digit rate per annum.

A group of emus is called as a mob. Emus is a kind of bird which is next to ostrich in its size.

Processes that require or give off heat will be limited to changes of state, known as phase changes, and changes in chemical constitution, or chemical reactions. Changes of state involve a solid melting, a liquid freezing, a liquid boiling or a gas condensing.

An exothermic process is one that gives off heat, which is transferred to the surroundings. An endothermic process is a reaction which heat has to be supplied to the system from the surroundings.

Here in all the given options, heat is taken away from them to change there phase. 

Liquid to Solid --- Freezing

Gas to Liquid --- Condensation

Gas to Solid --- Deposition 

are all examples of exothermic processes.

National Hockey League game is divide into 3 Periods each of 20 minutes. During the regular season, if the game ends in a tie, a 5 minute, sudden death overtime is played. In the playoffs, the overtime is 20 minutes long.