1.

Multiple Choice Questions (Quick Revision)Tick (✓) the correct options.1. About__________percent of the Earth's surface is covered with water.(a) 71(b) 69(c) 172. The atmosphere is held to the Earth by the force of.(a) oxygen(b) gravity(c) smoke​

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Answer:

1. 71 PERCENT of the earth SURFACE is COVERED with water

2. gravity



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