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Tresset [83]
2 years ago
13

I need help on this question, i dont know what to fill it

Biology
1 answer:
Vedmedyk [2.9K]2 years ago
4 0
So basically its like every animal has all the leading characteristics. for example, you marked that the shark has a vertebra that is correct now you would go onto the Ray-finned fish, you would follow the cladogram lines and x off Vertebra and Bony skeleton you had this correct as well. Now going onto the Amphibians, you would follow the lines again as before and x off everything you've already ticked off plus four limbs because it falls underneath. you would do this for every category and characteristic. Hopefully, this makes sense!! The rest after Amphibians needs to be revised its not correct. :)
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Which element would you expect to have a full valence shell?
kipiarov [429]

Answer;

-Noble gases or Group 18 elements

Explanation;

A full valence shell is the most stable electron configuration. Group 18 elements or noble gases such as helium, neon, and argon, have a full outer, or valence, shell. Elements in other groups have partially-filled valence shells and gain or lose electrons to achieve a stable electron configuration.

They are extremely unreactive and do not form bonds with themselves. Solid helium is the the ultimate fine powder being monotomic.

3 0
3 years ago
ASAP test tomorrow <br><br><br>how is " produces " represented in a chemical reaction ?​
sergeinik [125]

In a chemical reaction, the atoms and molecules that interact with each other are called reactants. In a chemical reaction, the atoms and molecules produced by the reaction are called products. In a chemical reaction, only the atoms present in the reactants can end up in the products.

Hopefully this helps!

8 0
3 years ago
Which of the following is an example of chemical potential energy? A. a person swinging a bat B. an unlit match C. a stretched r
yKpoI14uk [10]
B. because the match contains phosphorus, and it is unlit, so it has chemical POTENTIAL energy
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3 years ago
Explain the precautions for immunizing children with Bruton's agammaglobulinemia.
topjm [15]

Answer:

Avoid using killed vaccine for administration.

Explanation:

Bruton's agammaglobulinemia may be defined as the X linked disorder that affects the immune system of an individual. This disease is mainly caused by the mutation in the gene responsible for coding the  Bruton tyrosine kinase.

The children suffering from this disease require special immunization and some precaution must be followed before immunizing them. These patients are not allowed to immunizes with the live vaccines as these vaccines can evoke the immune response strongly and child may get infected by the disease. The individual should not given immunosuppressive drugs or corticosteroids.

Thus, the answer is avoid using killed vaccine for administration.

8 0
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Explanation:

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