Through which process do autotrophs convert light energy to chemical energy

they both go up but then go back down. they both end lower than they started. lastly, they both are competitive/the second on.

explanation:

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.