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Answer:
Electromagnetic waves are created by a charged particle that generates an electric field. The electric field creates a magnetic field. As the charged particle moves the electric field and magnetic field keep changing, which causes the wave to move.
Explanation:
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Answer:
Forest must be protected for an sustainable of planet earth. Adequate cover of forest save the earth against floods and erosion,regulating the movement of water prevent against unwanted famines,we should save forest because it influence on the climate. Forest help in fertilising the ground for soil fertility.
Explanation:
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