Answer:
An earthquake is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves.
Explanation:
B, provide systematic irrigation.
Answer: Read explaination <3
Explanation:
Standing up in a boat is most likely to cause someone to fall overboard especially if someone starts to rock the boat or if a wave occurs and the person standing is not prepared of the said situations. You may also consider the causes standing on a slippery surface and slip off as well.
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Until the early Proterozic there were only negligible amounts of free oxygen in the atmosphere
