If there are over 100 elements on the periodic table of elements, it would stand to reason that there would be millions of ways these elements could combine to form minerals. However, there are only 4000 named minerals
Why might there be so few minerals on Earth when there are so many possible combinations?
What will be an ideal response?
Answer: Not all the elements on the periodic table are equally abundant. Ninety percent of the Earth's total mass comes from O2, Fe, Mg, and Si.
- Oxygen = the only abundant element in the crust that is an anion.
- Silicon = prefers bonding with oxygen more than with anything else.
- Oxygen, on basis of volume, makes up a large percentage of the Earth's crust.
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A) 625 kg B) 550 kg C) 350 kg D) 725 kg E) 400 kg
Using only the information provided by this figure, which species of warbler appears to have the greatest competitive advantage?
A) myrtle warbler B) black-throated warbler C) Blackburnian warbler D) bay Breasted warbler E) Cape May warbler
Which of the following is an important biological reaction of thiols?
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Mariculture, or aquaculture, has about the same relationship to commercial fishing as farming does to hunting.
Answer the following statement true (T) or false (F)