The correct answer is water. Since carbon
is the common element of organic compounds, the molecule of
an organic material must have at least one carbon atom in its molecule. Water does not
contain any carbon atom in its molecule, H2O. So water is only an inorganic compound. <span>It is the most abundant and important inorganic compound in
living material. It makes up about 60-80% of the volume of most living cells.</span>
Answer: We can tell how life existed on earth and how different plants and animals are related to each other. Often we can work out how and how and where they lived, and use this information to find out about ancient environments. Fossils can tell us about the past.
Explanation
Ans ; It would have to be closer for it to be in a circular orbit twice as fast. One moon cycle would be 2 weeks instead of 4 so our months would have been based on 2 week cycles making for 24 months. Tides would be less synchronous between days and much more intense because of how close it would be. This would have left a very different land map. Tidal forces would force the moon to rip apart sooner than with it's present orbit creating an important ring system around earth earlier.
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