Questions

The earth's atmosphere is composed of 4 layers. 

1. Troposphere

2. Stratosphere

3. Ionosphere

4. Mesosphere

The ozone layer is located in the lower region of the Stratosphere which extends at 11 - 50 kms from the Earth's suface.

The shape of two fingers shown up will be in 'V' and it represents in Roman letters, a number 5.

We know that, Elements in the same group of the periodic table have similar characteristics.

Here Magnesium and Strontium shared some similar properties because they both belong to the same group. Sr is the chemical symbol for strontium which is a group two element; it has atomic number of 38. 

 Don’t take it to heart : Mind, the client is not angry with you, they are displeased with the work of your product or for showing the quality of service that you provide. Your personal emotions are beside the factor.

  Find a solution: Once you understand why the purchaser is unhappy, it is time to provide a solution. Ask him what he feels should be completed or put forward your own truthful and realistic solution to the problem. In maximum cases, that’s all the customer is searching out —and may bring about  providing some degree of satisfaction.