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  1. 12o9

    Another Polynomial Question

    Sorry about the handwriting XD.
  2. 12o9

    Things to do during holidays between end of Year 11 and start of Year 12

    Write a summary, study it, write up some creative task in regards to it, prepare for the test first week back.
  3. 12o9

    chem prelim

    Re: 回复: Re: 回复: chem help!!!!!!1 please Why is it MgO2 ? *edit* nvm the question says so.
  4. 12o9

    chem prelim

    Re: chem help!!!!!!1 please Mole Ratio 2:1:2 n(mg)= m/M = 10/24.31 = 0.41 n(MgO) = m/M => 0.41 = m/(24.31+16) therefore m = 16.58g
  5. 12o9

    Physics Prelim Q's

    lol. I had that question in my half yearly. Transverse waves cannot be transmitted through fluid media as the particles in a transverse wave propagate perpendicular to the direction of occilation. In water this isn't possible. Yeah sounds dodge, but I got the marks for it =/.
  6. 12o9

    Physics Prelim Q's

    1. To bring the signals to a focus in order to obtain a clearer signal (by the inverse square law, the signals will be scattered).
  7. 12o9

    Chemistry practicals

    It's pretty bad =/ but i guess it's better than nothing.
  8. 12o9

    Bio Syllabus Question

    Thylacine(Tasmanian Tiger) describe how it evolved, managed to survive, and reasons why it became extinct.
  9. 12o9

    Future Plans: What ATAR/course/job are you aiming for?

    Re: What UAI/course are you aiming for? That's for Usyd yeah? From what I've heard from my friends, it's much lower at UNSW
  10. 12o9

    Rates of Change

    and you are ;)?
  11. 12o9

    Polynomial Q

    yeah i just realised =p sorry.
  12. 12o9

    2 unit maths testing

    It doesn't matter, the content is still relevant.
  13. 12o9

    revision for yr11 chemistry syllabus???

    The resource page might help you out :) http://www.boredofstudies.org/view.php?course=11
  14. 12o9

    A few Biology questions! In need of assistance b4 2moro's exam!

    The diet, sugars/nectar, consumed by nectar feeders requires little digestion as sugars do not need to be broken down. Because of this, their digestive systems are generally very short and simple. Most nectar feeders also do not have teeth. ^that's all i remember from class =/ I accidentally...
  15. 12o9

    Holidays before year 12?

    Re: Holiday Same.
  16. 12o9

    A few Biology questions! In need of assistance b4 2moro's exam!

    haha. it's cool :). anyways. 1. Mammals -Skin - replacing cells that continually die and fall off. Plants - Tips of roots and stems - Growth 2. Radioisotopes can be used as tracers due to their chemical similarity to their non-radioactive counterparts. Due to this similarity, the nuclides...
  17. 12o9

    A few Biology questions! In need of assistance b4 2moro's exam!

    3 Digestion in Herbivores The food consumed by herbivores has a low nutrient value and contains a lot of fibrous matter which is difficult to digest. The fibre is mostly the play cell walls, made of cellulose. Animals lack the necessary digestive enzymes to break the cellulose down.Herbivores...
  18. 12o9

    Polynomials

    x2+1 is though
  19. 12o9

    Biology dotpoint question

    I'm not sure if you need it anymore, but just in case =/. The evolution of one’s knowledge in science often parallels the invention of instruments that extend the human senses to new limits. With the invention and developments of the microscope scientist were able to carefully observe cells...
  20. 12o9

    Rates of Change

    Awesome. thanks.
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