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science chemistry physics zoology biology scientific method physical science interpreting graphs scientific anatomy anatomy and physiology forensic science research high school claims powerpoint method time trends machines time management velocity acceleration mechanical advantage mollusca snail octopus periodic table periodic trends atomic radius ionization energy electronegitivity carbon carbon cycle carbon footprint graphs linear equations position multimedia photography moles constant high school chemistry facts chemsitry ecology environmental science food science big data experiment variable independent variable dependent variable control dna dna analysis forensics chapter 10 atoms electrons protons neutrons gas chapter 13 gas laws boyles law charless law gay-lussacs law ideal gas ideal gas law boyles charless gay-lussacs pressure temperature volume cephalopods