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nikklg [1K]
3 years ago
9

Which part of the body protects organs , provides support, and forms blood cells

Chemistry
2 answers:
nata0808 [166]3 years ago
6 0
<span>the skeleton because if you didn't have bones then you wouldn't be able to stand up.</span>
ivanzaharov [21]3 years ago
6 0
The skeleton serves as the bony framework of the body which protects the vital organs such as the heart,liver,kidney etc. and it also supports the body.The red bone marrow forms the blood cells

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Explain and define the angular momentum quantum number without the internet
brilliants [131]

Answer:

The angular momentum quantum number, l, describes the shape of the orbital that an electron occupies. The lowest possible value of l is 0, and its highest possible value, depending on the principal quantum number, is n - 1.

4 0
3 years ago
What is the thin structure that surrounds a cell?​
Reil [10]

Answer:

That is the membrane of the cell

Explanation:

The cell membrane is made up of layers of protein and fat. It is made with a <em>phospholipid bilayer</em>. It allows some substances to pass into the cell while blocking others. This is known as <em>semipermeability</em>.

6 0
3 years ago
How is percipation related to high and low pressure
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4 years ago
Which solution is more concentrated?
deff fn [24]

2 moles of NaOH dissolved in 1 litre of solution is the solution with more concentration.

Answer: Option A

<u>Explanation:</u>

Concentration of solution is the measure of the amount of solute dissolved in the solvent of the solution. So this is measured using the molarity of the solution. Molarity is determined as the number of moles of the solute present in the given amount of solvent.

\text {Molarity}=\frac{\text {Moles of solute}}{\text {Amount of solvent }}

In this present case, the option A gives the molarity of 2 M as

\text {Molarity}=\frac{2}{1}=2 M

But the second option, mass of NaOH is given. So we have to determine the molarity. First we have to find the molar mass of NaOH. We know that 1 mole of NaOH will contain 40 g/mole.

1 g of NaOH = 40 g of NaOH

1 g of NaOH = 1/40 moles

So 2 g of NaOH will contain \frac{2 g}{40 g/mole} which is equal to 0.05 moles of NaOH.

Thus, the molarity of 2 g of NaOH will be

Molarity = \frac{0.05 moles }{1 L}=0.05 M

Thus, the option A is having higher concentration as the molarity is more for 2 moles of NaOH dissolved in 1 l of solution.

7 0
3 years ago
the perimeter of a isosceles is 48 meters. the upper base is 12 meters shorter than the lower base x.each leg is 12 meters short
mrs_skeptik [129]
Squares have equal sides
12/4=3
3 0
3 years ago
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