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Search results

  1. always-smile :)

    Physics, Chemistry and Biology: Post your doubts here!

    vein and artery are organs together with the heart they form and organ system so they r parts of an organ system
  2. always-smile :)

    Physics, Chemistry and Biology: Post your doubts here!

    its an endothermic reaction so the temp decrease so when using 1000 change in temp is 10 when reducing it to 500 the change in temp is doubled so 20 and as it is an endothermic reaction so decrease by 2o ... hope i helped :)
  3. always-smile :)

    Physics, Chemistry and Biology: Post your doubts here!

    look at the image the heart is there 2 so viens and arteries are part of the same oran system ( talking about the circulatory system all ) .... if u didn't got it ask again :)
  4. always-smile :)

    Physics, Chemistry and Biology: Post your doubts here!

    thnx a million i got it :)
  5. always-smile :)

    Physics, Chemistry and Biology: Post your doubts here!

    plz i didn't get it :unsure:
  6. always-smile :)

    Physics, Chemistry and Biology: Post your doubts here!

    i have the same doubt :D
  7. always-smile :)

    Physics, Chemistry and Biology: Post your doubts here!

    pllz another stupid question :D winter 2007 no.1 (( why its evaporation not diffusion o_O ))
  8. always-smile :)

    Physics, Chemistry and Biology: Post your doubts here!

    cause it will have more CO2 to make more photosynthesis
  9. always-smile :)

    Physics, Chemistry and Biology: Post your doubts here!

    any time :)
  10. always-smile :)

    Physics, Chemistry and Biology: Post your doubts here!

    when the particle size increase the reaction become difficult so it slows down the reaction
  11. always-smile :)

    Physics, Chemistry and Biology: Post your doubts here!

    thnx :)
  12. always-smile :)

    Physics, Chemistry and Biology: Post your doubts here!

    ooops i'm sorry i mean 2007 :D thnx for explaining that anyway :)
  13. always-smile :)

    Physics, Chemistry and Biology: Post your doubts here!

    PLLZ i need an explanation for this question p1 chem oct 2008 q-11 (( why B :unsure: ))
  14. always-smile :)

    GOD bless you and protect you , cuz even that u hurt me i do love you :)

    GOD bless you and protect you , cuz even that u hurt me i do love you :)
  15. always-smile :)

    :)

    :)
  16. always-smile :)

    walekom elsalam :) yeah of course it is .. the username was my friend's idea i never do so :D...

    walekom elsalam :) yeah of course it is .. the username was my friend's idea i never do so :D .... i'm really trying :)
  17. always-smile :)

    i hope so pray 4 me

    i hope so pray 4 me
  18. always-smile :)

    I Wish I Could Have You Here Today </3

    I Wish I Could Have You Here Today </3
  19. always-smile :)

    struggles

    struggles
  20. always-smile :)

    :)

    :)
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