50 ! Why can’t we digest cellulose in a way that releases its glucose monomers for energy? Now, explain why saturated fats are solid at room temperature, and unsaturated fats are liquid.

100 bellow because science

if you add everything up correctly you should get 69 i got this because 50 plus 19 is it

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.