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.
Communities offer shelter and food.
i hope this helps luv! ❤️✨❤️
Answer:
Some don't because of many things, disease and not getting enough food.
Explanation: