Answers

2014-05-12T22:13:46+05:30
Resources is wealth so human race all-ways(every ways) look for the easy way to get money/wealth/resources .by some intellectual people leads(give) some tech(technology)inc to extract the resources with out spending much 

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2014-05-13T07:15:52+05:30
Technology helps in development of resources by ever evolving.So we can get more materials for the resource's development,so surely the resources will develop.
1 3 1
Its so simple-read the first chapter of class 8 geography book and you will get the answer.
ok thank u
ur welcome everyone