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Digiron [165]
3 years ago
8

Which of the following best describes an atom

Biology
2 answers:
Natali [406]3 years ago
6 0

The correct answer is option C, that is, a core of protons and neutrons surrounded by electrons.

An atom refers to the smallest component unit of usual matter, which exhibits the characteristics of a chemical element. Each of the liquid, solid, plasma, and gas comprises of ionized or neutral atoms. Each atom comprises of the nucleus and one or more electrons enclosing the nucleus. The nucleus comprises one or more protons and usually an identical number of neutrons.


Angelina_Jolie [31]3 years ago
5 0
C. your core will be made of protons will be made of protons and neutrons while being surrounded by "shells" of electrons.
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A muscle cell with high concentration of carbon dioxide and a low concentration of oxygen is surrounded by blood with a high con
labwork [276]

Option C is correct.

<h3>What do you mean by muscle cell?</h3>

The cells that make up muscular tissue are referred to as myocytes or muscle cells.

No oxygen is used during anaerobic respiration, hence less energy is released. During intense exercise, the glucose molecule splits into two molecules of lactic acid, which accumulate in the muscles. When the bloodstream cannot provide oxygen quickly enough for aerobic respiration, anaerobic respiration takes place.

The option missing is the query is given below:

A. Carbon dioxide will move into the cell by diffusion.

B. Carbon dioxide and oxygen will move out of the cell by osmosis.

C. Oxygen will move into the cell by diffusion.

D. Oxygen and carbon dioxide will move into the cell by osmosis.

Learn more about muscles cell here:

brainly.com/question/17355566

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8 0
2 years ago
What is the half-life of the radioactive isotopes?a. A radioactive isotope decreased to one-half its original amount in 18 month
arlik [135]

One fourth means (one half) of (one half) .

So the 18 months must be two half-lifes.

The half-life of this particular isotope is 9 months.
3 0
3 years ago
PLEASE HELP I NEED TO GET THIS QUESTION RIGHT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
soldier1979 [14.2K]

Answer:

There was no oxygen in the flask.

Explanation:

Anaerobic organism do not need oxygen!!

5 0
3 years ago
the unicellular spores of the fern ceretopteris richardii are about 100 um in diameter.calculate the surface-area-to-volume rati
WINSTONCH [101]
The surface area will be:
S.A. = 6l²
S.A = 6(100 x 10⁻⁶)²

Volume = l³
Volume = (100 x 10⁻⁶)³

Surface area to volume ratio:
[6(100 x 10⁻⁶)²] / (100 x 10⁻⁶)³
S.A : Vol = 6 x 10⁴
4 0
3 years ago
Between Point A and Point C, where is the steepest part of the hike? How do you know?
Shalnov [3]

Answer:

Going down Burr Hill; the contour lines are close together.

Explanation:

Between Points A and C, the steepest part is going down Burr Hill.

I know that, because the contour lines are so close together.

That means your vertical descent is quite steep compared to the distance you cover horizontally.

5 0
3 years ago
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