Match the sequence number with the energy transformations from the water behind a hydroelectric dam to the lighting
of a light bulb.
1. rain falls, being trapped behind dams
2. energy transferred to home to power light bulb
3. turbines generate electrical energy
4. potential energy of water behind dam converted into kinetic energy by turning turbines

1.heat evaporates water from oceans

2.rain falls, being trapped behind dams

3.potential energy of water behind dam converted into kinetic energy by turning turbines

4.turbines generate electrical energy

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

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