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Ket [755]
3 years ago
13

Do you think the copper would have oxidized izf it was completly subbmerged in vinigar y or y not

Biology
1 answer:
earnstyle [38]3 years ago
5 0

Answer:

When you put copper in the vinegar and salt, the copper oxide and some of the copper dissolve in the water. Like the copper atoms, each of the iron atoms that dissolves leaves two electrons behind. So you've got positively charged iron ions floating in your vinegar with the positively charged copper ions.

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Explain why John converted change in mass to percentage change in mass.
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Explanation:

The difference in mass does not deal with the proportional aspect of the solutions, making the results less accurate. The percent was calculated to give an exact difference, along with considering the quantities of solution.

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Although carbon dioxide emissions are reduced, geothermal power plants release odor pollution that smells like rotten eggs. True
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Human blood types are characterized by the presence absence of surface markers known as a tigers on the surface of red blood cel
zalisa [80]

Answer:

characterized by presence or absence of antigens

the blood types are A, B, O, AB

Explanation:

There are two antigens and two antibodies that are mostly responsible for the ABO types.  The specific combination of these four components determines an individual's type in most cases. Erythrocytes and serum were related to the presence of antigens on these erythrocytes and antibodies in the serum. these antigens  are A and B, and depending upon which antigen the erythrocytes express, blood either belonged to blood group A or blood group B. A third blood group contained erythrocytes that reacted as if they lacked the properties of A and B, and this group was later called "O" blood group. The fourth blood group AB, was added to the ABO blood group system. These erythrocytes expressed both A and B antigens.

Blood group   Antigen present on RBC    Antibodies in serum    Genotype(s)

      A                        antigen A                             anti-B                     AA or AO

      B                        antigen B                             anti-A                     BB or BO

      AB              both A and B antigen                 none                         AB

      O                           none                           anti-A and anti-B           OO

4 0
3 years ago
Which genetically engineered medicine is used to treat patients who have growth defects?
Kryger [21]

Answer:

c- human growth hormone

Explanation:

this will help the patient to grow, and hopefully not make the defect as noticeable

6 0
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