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gayaneshka [121]
3 years ago
15

Why does your upper body keep moving when you stop running

Chemistry
2 answers:
Viktor [21]3 years ago
5 0

You are breathing because you are tired from running.

tatuchka [14]3 years ago
4 0
I think because you are tired and when you breathe your chest moves
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Using subject academic vocabulary (ex. Pretend you are teaching a friend about the differences between plant and animals cells.
Bess [88]

The difference between the plant and animal cells is in their structures, and this makes their functions to differ. Some organelles are present in the plant cell which are absent in the animal cell and vice versa. The presence/absence of these organelles impact the kind of functions that can be carried out by each cell.

  • The plant cell has a rigid cell wall made of polysaccharides while the animal cell lacks cell wall. The cell wall serves supportive functions in the plant and gives it a shape. Animal cells are more or less round in shape.
  • Plant cells have chloroplasts while it is absent in the animal cell. the chloroplast contains chlorophyll, a green pigment that is responsible to absorbing radiant energy, As such, the chloroplast enables plant cells to carry out photosynthesis. Animals cells cannot synthesize their own foods.
  • Plant cells have large central vacuole that stores water and other contents while animal cells have small vacuole
  • Animal cells have centrioles while plant cells do not. The centrioles make mitotic division different between the two cells, although, the same result is obtained at the end of the day.

More on the differences between plant and animal cells can be found here: brainly.com/question/637711

8 0
3 years ago
what aspect of Bohr's original model of election stucture is no longer considered valid in the currently accepted theory of elec
sergejj [24]
Bohr's original model stated that electrons were tiny little objects circling the nucleus along fixed orbits, however this is no longer valid as we now know that rather "circling" the nucleus at confined orbits, electrons can seem to be everywhere at once.
5 0
3 years ago
Read 2 more answers
The following is known as the thermite reaction: 2Al(s)+Fe2O3(s)→Al2O3(s)+2Fe(s) This highly exothermic reaction is used for wel
Colt1911 [192]

Answer:

\Delta H_{rxn}=-847.6\ KJ/mol.

Explanation:

The balanced chemical equation is:

2Al(s)+Fe_2O_3(s)-->Al_2O_3+2Fe(s)

Now, standard values of \Delta H_f\ of\ all\ participants\ of\ reaction.

\Delta H_f(Al_2O_3)=-1669.8\ KJ/mol\\\Delta H_f(Fe_2O_3)=-822.2\ KJ/mol\\\Delta H_f(Al(s))=0\ KJ/mol\\\Delta H_f(Fe(s))=0\ KJ/mol\\

Now, We know \Delta H_{rxn}=\Delta H_{products}-\Delta H_{reactants}

Putting all values of \Delta H_f to above equation.

We get,

\Delta H_{rxn}=-847.6\ KJ/mol.

Hence, this is the required solution.

6 0
4 years ago
the water in a tea pot is heated on a stove top. The temperature of the water increases. Is this an endothermic or exothermic pr
marusya05 [52]
It is an endothermic process
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3 years ago
C-12 has 6 protons. how many neutrons does c-13 have? select one:
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I think it's Letter c.13 if I'm not mistaken
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