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grandymaker [24]
2 years ago
11

How do index minerals help geologist

Biology
1 answer:
kirill [66]2 years ago
7 0
They give a comparison for other minerals when classifying them
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In what phase of meiosis are tetrads pulled to opposite poles of the cell?
VikaD [51]

Answer:

Anaphase I

Explanation:

In anaphase I, the homologous chromosomes are pulled apart and move to opposite poles.

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System that serves as a barrier against infection and injury
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The cubic centimeter, which is often abbreviated as cc or cm3, is a metric unit for
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If a pure-bred tall plant is crossed with a pure-bred short plant, the offspring will be:
Dmitry [639]
I would say A. Either tall or short
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3 years ago
In the currently accepted atomic model, an electron orbits the nucleus in a<br> clear, defined path.
Alex777 [14]

FALSE

In the currently accepted atomic model, an electron orbits around the nucleus is NOT in a clear, defined path.

Explanation:

According to modern atomic models, like the Bohr theory, it is difficult to know the exact location and path of an electron around the nucleus. This is partly because the mere act of observing the electrons changes its position. This is because the electrons have negligible mass and therefore ‘hitting’ them with any form of radiation for ‘illumination’ changes its position, behavior, and properties. In addition, the movement of electrons is very rapid such that by the time one observes the instantaneous location of an electron, if it was possible, it will have changed its position.

Therefore modern theories, such as VSPER, model atoms based on properties of where an electron will highly likely be found. This is how the shells and subshells of electrons (s, p, d, f) are modeled.  

Learn More:

For more on modern theories of the atom check out;

brainly.com/question/11363941

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#LearnWithBrainly

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