Visual, mathematical, and computer models.
Answer:
A catalyst is a chemical substance that affects the rate of a chemical reaction by altering the activation energy required for the reaction to proceed. This process is called catalysis. A catalyst is not consumed by the reaction and it may participate in multiple reactions at a time.
Explanation:
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Quart
The liter is a metric unit of volume. The U.S. Customary unit of volume most nearly equal to the liter is the quart.
A quart is a unit of measurement used to measure the volume of a liquid (how much liquid a container can contain). A quart is a quarter of a gallon and it is divided into two pints or four cups. There are three types of quarts that are been used. They include the; the dry quart of the US customary unit, the liquid quart, and the imperial quart. They are all approximately equal to one metric liter.
Polar compound can't diffuse back to blood circulation after filtrated by kidney. This will cause more polar substance to be excreted in urine so nonpolar is more likely to be found high in concentrations. Only a few specific substance like glucose, ascorbic acid and vitamin B that is transported back by pump.
