How much humans life depends on rocks? Explain
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Answers
Answer:
Our use of rocks and minerals includes as building material, cosmetics, cars, roads, and appliances. In order maintain a healthy lifestyle and strengthen the body, humans need to consume minerals daily.
Answer:
At a Christmas party ten years ago, an idea was brewing in Robert Hazen’s mind. Hazen was a self-proclaimed “hard core” mineral physicist at the time, and like most scientists (and players of 20 Questions), he considered mineral to be a totally separate beast from animal and vegetable. But that was soon to change.
During the party, theoretical biologist Harold Morowitz asked Hazen whether clay minerals existed during the Hadean—the geologic period between 4.6 and 4 billion years ago, when early Earth was forming. Though a basic question, Hazen was taken aback. Morowitz was essentially asking whether the mineralogy that existed when Earth was new, and possibly when life originated, was different from what we see today.
“No mineralogist in history had ever asked a question like that,” says Hazen. While a mineral-forming process should be the same whether it occurred billions of years ago or last Tuesday, Hazen realized there was no reason to assume that minerals couldn’t evolve, just as life changes over time. He and his colleagues have since shown that life didn’t spring up in isolation—minerals likely helped it along the way. And as life evolved, it created a myriad of chemical niches that allowed new minerals to form.
“We see this intertwined co-evolution of the geosphere and biosphere, says Hazen. Life begets rock, rocks beget life.His team and other experts in the field present this idea in a new NOVA