Answer:
The ice is not too much colder than its melting point, and deforms something like hot rocks in the mantle or a chocolate bar in your pocket.
Explanation:
Until the early Proterozic there were only negligible amounts of free oxygen in the atmosphere
Answer:
Explanation:
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<em>Answer:-</em>
<em>Working slowly over many years, ground water travels along small cracks. The water dissolves and carries away the solid rock gradually enlarging the cracks, eventually forming a cave. Ground water carries the dissolved minerals in solution. The minerals may then be deposited, for example, as stalagmites or stalactites.</em>
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Oxygen makes up 21 percent of the earths atmosphere
