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Drawbacks of Boarding School

Some of the Drawbacks of Boarding School are as follows. So let us find out some information on drawbacks to know about boarding school. 

  1. Parents involvement is very less in boarding school, They are not allowed to come ofter to boarding school.
  2. For young students boarding school may not be right choice.
  3. Compared to other schools, the boarding schools are generally expensive.
  4. Sometimes students may start consuming alcohol or drugs due to frustration.
  5. You might also like advantages and disadvantages of boarding school for more details.

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How is Coal Formed ?

Since the 13th century coal is derived from the Old English term col, which means "mineral of fossilized carbon".

Coal consists of high content of carbon and other elements like, sulfur, hydrogen, oxygen, and nitrogen.

Coal is a naturally black sedimentary rock occurring in rock strata in layers or veins called coal beds or coal seams.

Anthracite coal is the solider form of coal, can be considered as metamorphic rock because of later exposure to high temperature and pressure.

Advantages and Disadvantages of International Trade

Check out Advantages and Disadvantages of International Trade discussed below. So let us find out some information on advantages and disadvantages to know more about International Trade. It is a trade between nations in the form of imports as well as exports. International trade can be considered one of the important souce of revenue in the developing countries. Trade between countries is the exchage of both services and goods among the countries of the world economy.

Metals Recycling

Recycling of metals such as copper, aluminium etc., is required to protect earth and environment. It also saves energy and natural resources. Along with benefits there are some drawbacks of recycling metals. 

Black Hat SEO

Short Definition of term Black Hat SEO is defined as follows. Let us check brief explanation and meaning of the given term which is given below.

In SEO - (Search Engine Optimization) some webmaster violates webmaster guidelines in orde to rank top in search results , such methods are known as black hat SEO. Duplicate content, Cloaking, keyword stuffing , SEO spamming are some of its types.

How to find 20 percent of a number ?

Let us see how to find 20 percent of a number. Some information or method showing how to calculate 20 percent of a number are follows:

In order to calculate 20 percent of number you need to follow two simple steps.

Step 1: Divide number by 10 for example if number is 100 then you have to divide 100/10 so answer is 10

Step 2: Multiply answer with 2, so in this case we have answer 10 so 10x2= 20

So 20 percent of 100 is 20

Example 2: What is 20 percent of 22

Answer 22/10= 2.2 now you have to multiply 2.2 with 2 so 2.2x2=4.4