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nikitadnepr [17]
3 years ago
10

The following is a specific immune response to the human immune system?

Biology
1 answer:
yuradex [85]3 years ago
3 0

Answer:

Antibodies

Explanation:

Specific immune responses are triggered by 'antigens'. Antigens are found on the surface of a pathogen and is used to identify a specific pathogen. Antigens trigger the immune system to release cells that attach themselves to Antigens in order to kill off pathogens. These cells attack Pathogens using <em>antibodies</em>

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What type of rock is marble? Describe how a piece of marble is likely to change over several years. (8 points)
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Marble is a metamorphic rock.

Marble is a metamorphic rock, that forms when limestone (another rock) reaches a certain pressure and heat. It's composed of mostly calcite, and some other minerals like pyrite, quartz, iron oxide, and granite.

Over several years, marble is supposed to wear down from acid rain/weathering.

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3 years ago
Phosphorus (P) is the element with the atomic number 15. Which of the
viva [34]

Explanation:

   Isotopes:

                          ₁₅³¹P   and     ₁₅³²P

     Given parameters:

       ₁₅³¹P                                                   ₁₅³²P          

   Mass number = 31                                    32

   Atomic number = 15                                 15

The two atoms are isotopes. Now let us derive numbers of their subatomic particles

                       ₁₅³¹P                                             ₁₅³²P  

Protons              15                                                 15

Electrons           15                                                  15

Neutrons         (31-15) = 16                               (32-15) = 17

Because they are isotopes, they differ in the number of neutrons alone.

Isotopy is the existence of two or more atoms of the same element having the same atomic number but different mass numbers due to the differences  in the number of their neutrons.

We clearly see that the mass number and number of neutrons pertaining to the atom differs. This makes them isotopes.

Learn more:

Isotope brainly.com/question/1915462

#learnwithBrianly

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Answer:

you would use the fight or flight response your nervous system would help

Explanation:

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Inference

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