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1. What are the different forms of energy displayed in the Gizmo?
2. Less than 20% of the energy we use comes from renewable sources (such as nuclear power). If renewable energy does not run
out, why is it not used anymore?

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction.