Explain why the presence of chlorophyll in leaves makes them green
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1. when the temperature of 1cm3 of water increases by 1c , 4.2j of energy are transferred. calculate the energy transferred when 50cm3 of water at 20 c is heated to its boiling point.
2. describe the energy transfers that happen when an archer pulls back and then releases a bow to shoot an arrow.
3. a) what happens to the rate of energy transfer as the water cools
4. A car covered in dirt and dust does not shine. Washing it and then polishing it makes it shine. explain why.
5. Explain why the presence of chlorophyll in leaves makes them green.
6. Describe and explain what you would see if transparent red sticky tape were put on a piece of frosted glass.
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