Answer:roll it down a hill
Explanation:of you roll it down a hill the item builds energy
Polar molecule has diff charges positive nd negative but the non polar molecule does not it has an equal charge.
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A non-polar molecule doesn't have anything in the molecule that cause it to be attracted to water or other polar molecules making it hydrophobic, like oil in water.
A polar molecule has groups on it that give it a charge and cause it to be attracted to other polar molecules. Like alcohol in water. Alcohol is polar due to the -OH group attached to it causing it to miscible in water.
Answer:
Valves of the heart do the endocardium extenstions.
Explanation:
Endocardium is the inner most layer of heart containing tissue that lines the heart chamber and the outer most layer of the heart is called epicardium.
The main function of this structure is to protect the valves and heart chamber.
The endocardium consists of endothelial cells that controls myocardial function.
The homeometric and heterometric regulation is separated by myocardial system.
The endocardium also functions as a blood heart barrier thus controlling the ionic composition withih which the cadiomyocytes bathe.
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They differ due to their structure and function.
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Answer:
Explanation:
= Weight of bottle = 0.25 N
= Weight of water = 
g = Acceleration due to gravity = 
= Density of water = 
Mass of water
Volume is given by
Volume of the bottle is .
This means that the alcohol will take the same amount of volume.
= Weight of alcohol = 
Mass of alcohol
Density is given by
Density of alcohol is
