Which cellular structure makes it possible for a cell to differ structurally and biochemically from its surroundings? nucleus plasma membrane nucleolus cell wall endoplasmic reticulum?

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added

if, i suppose that a bee stings me swinging my hand away from a bee. then that if, i persist patient when a bee or wasp areas on your surface to investigate a scent or to take h2o and i secreting heavily, the bug ultimately will move of its personal agreement. if i don't need to set for it to disappear, lightly and gently wipe it off with a part of the paper.

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.