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NISA [10]
3 years ago
9

I don’t know the answer

Biology
1 answer:
laila [671]3 years ago
5 0
C: I think it is :]
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I need some help please!<br> Compare and contrast covalent bonds and ionic bonds.
Tanya [424]

Covalent bonds are formed when two atoms are able to <em>share</em> electrons.

Iroinic bonds are form when two atoms are <em> </em> electrons from each other to complete the bond. This results in a pair of ions.


<u>Covalent bonds:</u>

  • Have a definite shape.
  • Have a low melting point.
  • At room temperature they are in a liquid or gas.
  • They occur between two non-metals.

<u>Ionic bonds:</u>

  • Have no definite shape.
  • Have a high melting point.
  • At room temperature they are solid.
  • They occur between a metal and a nonmetal.
4 0
3 years ago
contains DNA control center has a membrane found in eukaryote cells These characteristics describe the _______________ of a cell
Airida [17]
The answer is C. nucleus
6 0
3 years ago
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What is the definition of a Nucleolus?
AysviL [449]
The  Nucleolus helps function the cell.
4 0
3 years ago
If a microscope has an ocular lens of 10x and a low power objective of 10x, what is the total magnification under low power?
Westkost [7]

The correct answer is: 100x.

The calculation of total magnification of the microscope includes multiplying the magnification of the lenses together, So, to calculate the total magnification take the power of the objective (10X) and multiply by the power of the eyepiece, ocular lens (10X).

7 0
3 years ago
Five common materials in your home and their uses​
AysviL [449]

Answer:

Wood for paper, Plastic for Water Bottles, Rubber for wires, Metals for paper clips and copper, zinc and nickel for coins.

Explanation:

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