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Changes.(2)8. Migratory birds fly to faraway places because of9. Burning of wood and coal causesof air.10. Least polluting fuel for a vehicle is |
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Answer» Answer: Explanation: (2) 8.Migratory birds fly to far away places because of CLIMATIC changes. Bird migration is the regular seasonal movement, often north and south along a flyway for BREEDING, food availability, HABITAT and weather. For example, a flock of barnacle geese migrates during autumn. 9. Burning of wood and coal causes pollution of air. 10.Least polluting fuel for VEHICLES is compressed natural gas (CNG). |
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