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mestny [16]
4 years ago
7

What is a chronic autoimmune disease where the body produces antibodies that stick to the body's own cells causing the body to a

ttack itself?
Biology
1 answer:
Mrrafil [7]4 years ago
8 0
It’s white blood cells they help fight off any virus or disease
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What natural event would most likely cause succession in a grassy field
RoseWind [281]

Answer:

All the soil remains wet for several days after a heavy rain. Most of the grass is blown flat by a strong wind. Many grass plants die after a long period of no rainfall

Explanation:

4 0
3 years ago
According to the octet rule, if an atom has fewer than 8 electrons in the outer most energy level, what is likely to happen?
Sliva [168]

According to the octet rule, If an atom has fewer than 8 electrons in the outer most energy level, it will react with other nearby atoms to give, receive or share electrons until it has a full outer shell. Option D.

<h3>What is the octet rule?</h3>

The octet rule is a theory stated by Lewis (1917) and is used to explain how atoms are combined.

The theory explains how atoms from different elements tend to complete their outer energy layer with 8 electrons to reach a stable electronic configuration.

The ions of different chemical elements complete their last energy levels when combined with other atoms.

Atoms can either gain or share electrons with other atoms to compose the molecule,

  • High electronegativity elements gain electrons until they get to complete the octet.
  • Low electronegativity elements lose or share electrons to get to the octet.

In this way, the rule explains how atoms form bonds to create a molecule.

The rule is used to predict the behavior of several substances according to their electronic configuration.

Among the options, the correct one is option D. <em>if an </em><em>atom</em><em> has fewer than 8 </em><em>electrons</em><em> in the outer most</em><em> energy level</em><em>, it will react with other nearby atoms to give, receive or share electrons until it has a </em><em>full outer shell.</em>

<em />

You can learn more about the octet rule at

brainly.com/question/1202688

brainly.com/question/865531

#SPJ1

8 0
2 years ago
Why does valerie's tumor dna sample have fewer bands than the peripheral blood?
Rus_ich [418]
The tumor DNA sample of valerie have fewer bands than the peripheral blood because her tumor profile signifies a digest where equally alleles are mutated bring about in a pattern which is a subset of that got from the peripheral blood and her blood is heterozygous for the mutation but the tumor has a homozygous mutant genotype.
7 0
3 years ago
I really need help ASAP!!
BartSMP [9]
The correct answer should b D
6 0
3 years ago
Earth scientists have concluded that the methods of harnessing energy that have been used over the past two centuries, such as t
Kamila [148]
The best answer to the question that is being given above would be letter A. The most complex level of organization hierarchy that climate change could potentially affect is Earth's Biosphere - which holds every living thing in the planet. This climate change will destroy it more destruction to Mother Nature occurs.
7 0
4 years ago
Read 2 more answers
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