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11Alexandr11 [23.1K]
3 years ago
15

What were the 3 common states of matter on Earth?

Chemistry
1 answer:
Colt1911 [192]3 years ago
8 0

Answer:

i think that the answer is solid liquid and gas.

Explanation:

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The cells that allow your bones to move contain bundles of long cylinders. These cells have alternating light and dark bands cal
poizon [28]

Answer:

<h2>Actin and myosin.</h2>

Explanation:

The cells that allow your bones to move, the movement of thick (myosin) and thin (actin) filaments during contraction .

During a contraction thick and thin filaments do not shorten but increase their overlap  of each other.

Thin filaments slide past thick filaments extending more deeply into the A band.

The I bands and H bands decrease in lenght as Z discs are come closer together .

Sarcomere represents area between two Z disc, so the sarcomere gets smaller during a contraction .

8 0
3 years ago
Can we all agree chemistry is hard lol
Dmitry_Shevchenko [17]

Yes, I agree.

Chemistry can be difficult.

5 0
2 years ago
What is the mass of 16.6 x 10^23 molecules of barium nitrate
kakasveta [241]
It is fact that
6.023
×
10
23
formula units of barium nitrate have a mass of
16.6*10^23
⋅
g
. This is what we specify when we say molar mass. And thus the mass of
5.30
×
10
22
formula units of barium nitrate is the quotient multiplied by the molar mass:
5.30
×
10
22
6.023
×
10
23
m
o
l
×
16.6*10^23
⋅
g
⋅
m
o
l
−
1
3 0
2 years ago
Read 2 more answers
Compared to a swimming pool filled with water, a hot cup of coffee has higher temperature, but less thermal energy
Julli [10]
Thermal energy equation is;
    Q = mcΔθ

Q = Thermal energy
m = mass
c = specific heat
Δθ = Temperature difference

the hot cup of coffee has a higher temperature. But the mass of coffee is very low compared to the mass of water in swimming pool. The maximum temperature for coffee only can go up to 100 ⁰C since the boiling point of water is 100 ⁰C. But the mass of water in swimming pool is very large and the thermal enegy is very high compared to the coffee cup due to that reason. 
3 0
2 years ago
How would scientists most likely describe the system of the Earth in regard to energy?
Nuetrik [128]

Answer:

4 is the best answer but incomplete.

Explanation:

Heat from the Earth is also radiated back into space. The in and out of energy is what makes it an open system.

8 0
3 years ago
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