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  1. Aerlinn

    Redox Chem Question

    I have this reaction: 2h202 ---> 2H20(l) + O2(g) Is h2O2 an oxidant or reductant and why? As far as I can see, I can't tell, 'cause it could be both... Also have have this: S2O4(²-) (aq) ---> SO3 (²-) (aq) [Within the brackets are the charges on the ions, 2-] It says to balance this half...
  2. Aerlinn

    Natural selection simulation

    We were doing a simulation about natural selection acting on a beetle population of 30 at school. We had dice and cards representing the beetles, and randomly dealt card pairs to represent pairs mating, and rolled dice to decide the offspring of each pair and which beetles would be eaten by the...
  3. Aerlinn

    Genetic Barley

    We just did this for our SAC ;) Make sure you have the data right make sure you explain what's happening effectively
  4. Aerlinn

    Sources of DNA (help with questions!)

    I am having trouble with these questions, would anyone be able to help me with them? -Why would a scientist choose to sequence mitochondrial DNA to study the evolution of the Great Apres rather than nuclear ribosomal genes? -Why would a scientist use the ribosomal genes to study the evolution...
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