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  1. Haris Sal11

    Physics P5 in 5 minutes !!!

    "to calculate absolute uncertainty the most accepted method is to calculate the maximum difference and divide by 2 ..sf of uncertainty is usually ignored in the mark scheme but stick to 1 or 2 s.f" Calculate max difference and divide by two? Could you explain it a bit more?
  2. Haris Sal11

    Physics Paper 5 - Problems.

    Got only 2 days left. Lets discuss all the problems here. I have problems in finding percentage uncertainties in the last parts of question 2. Can anyone help me with that? Any notes? Tips? I'd be really thankful :)
  3. Haris Sal11

    Biology Paper 1

    Aerobic respiration, CO2 option is wrong. It was glucose. In yeast, Glucose is not used, in humans it is. Lactose is used in yeast.
  4. Haris Sal11

    Biology Paper 1

    The organism can't be Virus since it doesn't contain cells. It's NON CELLULAR. No point in discussing this. The answer to the exchanging things was Uterus wall, I went with Umbilical cord too. Shit. Respiration/Photosynthesis answer was A. Enzyme question number 4. Answer was A.
  5. Haris Sal11

    Biology Paper 1

    Virus is non cellular. The organism can't be Virus. Peace.
  6. Haris Sal11

    Biology Paper 1

    It was a non cellular organism. Can't be Virus, you got it wrong bro. It was clearly mentioned that it was a cellular organism.
  7. Haris Sal11

    Biology Paper 1

    OMG I WENT FOR A!
  8. Haris Sal11

    Biology Paper 1

    Reduction in sea level was the answer.
  9. Haris Sal11

    Physics P1 and P2 Discussions

    Pressure decreases, Volume increases.
  10. Haris Sal11

    Maths D 22

    I can't believe we've never known the difference. **** MY SCHOOL **** THE STAFF **** EVERYBODY RELATED TO THE SCHOOL ******* BOLLOCKS CAN'T EVENT TEACH!
  11. Haris Sal11

    Maths D 22

    That's so fucked up. Makes no sense. You're all wrong.
  12. Haris Sal11

    Maths D 22

    How? In 2012, his money would be 3.5% more than 2011. So we had to take 3.5% of that money to calculate. Simone by 8. something for me.
  13. Haris Sal11

    Physics P1 and P2 Discussions

    Same. :D
  14. Haris Sal11

    PHYSICS PAPER 34 - HOW WAS IT?

    Just came back home. As expected, no electricity. There was no heat question either. On the whole, the paper was quite good. What about you guys?
  15. Haris Sal11

    Physics P1 and P2 Discussions

    Oh haha.
  16. Haris Sal11

    Physics P1 and P2 Discussions

    How'd Bio go?
  17. Haris Sal11

    Physics P1 and P2 Discussions

    And, a fuse blowing is not dangerous. It's a protective measure. Stupid to go with that option.
  18. Haris Sal11

    Physics P1 and P2 Discussions

    Voltmeter was connected in parallel.
  19. Haris Sal11

    Physics P1 and P2 Discussions

    13 is wrong. Fuse blowing out is not a danger. Over-heating in the socket.
  20. Haris Sal11

    Physics P1 and P2 Discussions

    Your answer is correct, don't worry.
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