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strojnjashka [21]
3 years ago
5

Which body system provides a structural support for the body and its muscles?

Chemistry
1 answer:
Lubov Fominskaja [6]3 years ago
8 0

Answer:

skeletal system

Explanation:

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The electronegativity of manganese is 1.6, sulfur is 2.5, oxygen is 3.5, chlorine is 3.0, and bromine is 2.8. With which element
harkovskaia [24]

Answer:

Oxygen

Explanation:

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3 years ago
Which two layers of Earth are mainly composed of metallic elements such as nickel and iron, which are abundant in meteoroids and
Bingel [31]
This layer<span> of the </span>earth<span> lies between the mantle and the solid inner core. It is the only liquid </span>layer<span>, a sea of </span>mostly iron and nickel about 1,400 miles. <span>The lava is </span>mostly made<span> up of iron and nickel</span><span>. The outer core creates the </span>Earth's<span> magnetic field. The final </span>layer<span> is the inner core, which is 900 miles deep. Scientists believe the inner core is a solid ball of iron and other minerals.</span>
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3 years ago
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The theory of inheritance was proposed by Walter Sutton and Theodor Boveri 

the chromosome theory is a principal of genetics, known as the chromosome theory of inheritance, The principal is that all chromosomes are carriers of genetic material that pass from one generation to the next.

6 0
3 years ago
What is the voltage of a galvanic cell with 1 silver electrode and 1 gold electrode?
Anestetic [448]
<h3>0.76 V</h3><h3 /><h3>The voltmeter shows that the standard cell potential of a galvanic cell consisting of a SHE and a Zn/Zn2+ couple is E°cell = 0.76 V.</h3><h3 />

7 0
3 years ago
A chemist must prepare 575.mL of 1.00M aqueous sodium carbonate Na2CO3 working solution. He'll do this by pouring out some 1.58M
igor_vitrenko [27]

Answer : The volume in mL of the sodium carbonate stock solution is 364 mL.

Explanation :

According to dilution law:

M_1V_1=M_2V_2

where,

M_1 = molarity of aqueous sodium carbonate

M_2 = molarity of aqueous sodium carbonate stock solution

V_1 = volume of aqueous sodium carbonate

V_2 = volume of aqueous sodium carbonate stock solution

Given:

M_1 = 1.00 M

M_2 = 1.58 M

V_1 = 575 mL

V_2 = ?

Now put all the given values in the above formula, we get:

1.00M\times 575mL=1.58M\times V_2

V_2=363.92mL\approx 364mL

Therefore, the volume in mL of the sodium carbonate stock solution is 364 mL.

8 0
3 years ago
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