Answers

2014-08-13T17:54:20+08:00
Concrete-You use your Five Senses when Describing It.
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Abstract-You can't Describe it with your Five Senses
2014-08-13T17:55:07+08:00
Concrete means it is tangible or you can touch it, while abstract is the thought/ idea which you cannot hold like hope, wisdom and etc. Abstract nouns do not use of the 5 senses unlike with the concrete nouns.
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concrete nouns are those nouns that you can see and touch while abstract nouns are those nouns that you cannot see and touch but you can feel
Actually yes.. like the word "Happiness".. It is an example of abstract noun