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garik1379 [7]
3 years ago
5

Which statement correctly describes the nucleus of the atom?

Biology
1 answer:
AlexFokin [52]3 years ago
6 0

Answer:

The nucleus contains the protons and neutrons which takes up most of the mass of the atom.

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If an isotope of oxygen has one less neutrons how many electrons does it have​
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It has one less electrons then protons

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Why do some scientists think it may be harder for forest to “bounce back” after a wildfire?
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that the ground is damiged and there ar no new seeds

Explanation:

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3 years ago
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Recall that carotene and xanthophyll have very similar molecular structures except for the presence of two hydroxide groups in x
BlackZzzverrR [31]
<h2>Calculate the Rf values</h2>

Explanation:

  • In the event that an alternate dissolvable were utilized, the Rf worth would not be the equivalent on the grounds that, contingent upon the dissolvable, there is a distinction in dissolvability. On the off chance that an alternate dissolvable was utilized, the general places of the groups would be different.
  • The Rf estimation of the xanthophyll is 66% that of carotene since xanthophyll has a H bond with cellulose, which backs it off, and makes it less dissolvable in the dissolvable.
  • Carotene is progressively dissolvable in 9:1 oil ether CH3)2CO arrangement, which made it be conveyed higher and have a bigger Rf value.
  • Measure the separation the dissolvable voyaged, which is Df, and measure the separation the test arrangement voyaged, which is Ds.
  • Ascertain the maintenance factor utilizing this condition <em>RF = Ds/Df. </em>
  • Basically isolate the separation the arrangement went by the separation the solvent traveled.
7 0
3 years ago
Rocks , temperature , and water ARE what part of the environment
photoshop1234 [79]
The abiotic environment consists of non-living things. So, rocks, temperature and water are part of the abiotic environment.
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