Which statement about the members of a population that live long enough to reproduce is consistent with natural selection? A. They transmit characteristics aquired by use and disuse to their offspring
B. They tend to produce fewer offspring than others in the population
C. They are the ones that are best adapted to survive in their environment
D. They will perpetuate unfavorable changes in the species.

It's option B

Explanation:

Organisms which can't survive harsh times and have a small lifespan make huge amount of offsprings like ants. While long living animals make fewer offsprings like humans, whales, tortoises.

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.