How is the energy useful to us? Explain.
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33
Explanation:
Energy is useful because ultimately nothing on Earth would be able to survive without it. ... This usually comes from food, which in the case of plants is grown using the energy from sunlight, and for animals is from the energy stored in the plants they eat.
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Answer:
The main thermosetting plastics are epoxy resin, melamine formaldehyde, polyester resin and urea formaldehyde. Good electrical insulator, hard, brittle unless reinforced, resists chemicals well. Used for casting and encapsulation, adhesives, bonding of other materials.
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