"wind,,tidal,,solar,,
those are among alternatives energy sources available on earth..
the use of these type of renewable energy sources is crucial in the time when our petroleum or crude oil sources is depleted..
as all of us know..petroleum need hundreds or thousands of years to formed again..in mean time, we,the human being are using them everyday..so, there must be some time in the future when the supply does not meet the demand made by the consumer.."
macam tu la cket2 hamba ini menulis untuk kertas BEL311 tadi..
hehe...hamba ni mengharapkan yang terbaik la untuk final..
InsyaAllah, berkat usaha,pasti berjaya..
aminn..
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