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OverLord2011 [107]
3 years ago
10

Which two body systems are most important in breaking down food and distributing nutrients throughout the body?

Chemistry
1 answer:
andrey2020 [161]3 years ago
7 0

Answer:

hope you like and pls follow me

Explanation:

digestive and circulatory system are most important in breaking down food and distributing nutrients throughout the body.

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I WILL MARK BRAINLIEST PLZ HELP ASAP, thanks :)
7nadin3 [17]

Answer:

Inner

Explanation:

3 0
3 years ago
Please give me the reasons of the solution!
irinina [24]

1. The answer is option E, that is None of the above is correct.

As a polymer becomes more crystalline,

its melting point doesn't decreases, its density doesn't decreases, its stiffness doesn't decreases and its yield stress doesn't decreases.

2. The answer is option B, that is the molecules are arranged in sheets, with their long axes parallel and their ends aligned as well.

In the smectic A liquid-crystalline phase, molecules are arranged in sheets, with their long axes parallel and their ends aligned as well.

3.  For a substitutional alloy to form, the two metals combined must have similar atomic radii and chemical bonding properties.

6 0
3 years ago
This family (ethane, propane, butane, etc) of materials is likely to have what set of properties?
Ilya [14]

This family (ethane, propane, butane, etc) of materials is likely to have following set of properties.

  • The alkanes are non- polar solvents.
  • The alkanes are immiscible in water but freely miscible in other non-polar solvent .
  • The alkanes are consisting of weak dipole dipole bonds can not breaks the strong hydrogen bond.
  • The alkanes having only carbon (C) and hydrogen (H) atom which is bonded by a single bonds only.
  • The alkanes posses weak force of attraction that is weak van der waals force of attraction.

The ethane, propane, butane, belong to alkanes family.The alkanes are also considers as saturated hudrocarbons. Ethane is found in gaseous stae Ethane is the second alkane followed by propane followed by butane.

learn about butane

brainly.com/question/14818671

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7 0
2 years ago
A and b are two gases that are mixed together: 2.50 mol a is mixed with 0.850 mol b. if the final pressure of the mixture is 1.7
USPshnik [31]

Partial pressure of gas A is 1.31 atm and that of gas B is 0.44 atm.

The partial pressure of a gas in a mixture can be calculated as

Pi = Xi x P

Where Pi is the partial pressure; Xi is mole fraction and P is the total pressure of the mixture.

Therefore we have Pa = Xa x P and Pb = Xb x P

Let us find Xa and Xb

Χa = mol a/ total moles = 2.50/(2.50+0.85) = 2.50/3.35 = 0.746

Xb = mol b/total moles = 0.85/(2.50+0.85) = 0.85/3.35 = 0.254

Total pressure P is given as 1.75 atm

Pa = Xa x P = 0.746 x 1.75 = 1.31atm

Partial pressure of gas A is 1.31 atm

Pb = Xb x P = 0.254 x 1.75 = 0.44atm

Partial pressure of gas B is 0.44 atm.

Learn more about Partial pressure here:

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6 0
2 years ago
The modern synthesis combined the concepts of _______ and evolution.
aalyn [17]
Answer:

Molecular Evidence.
4 0
3 years ago
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