Why are the volcanoes on the Hawaiian Islands northwest of the big island of Hawaii no longer erupting?

Answer in your own words

i believe it would cause an increase of percipitation, though i could be wrong. so i would say b is the answer.

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.

answer is d hope this

answer; aerobic conditions; citric acid cycle (krebs cycle) electron transport chain;         anaerobic conditions; fermentation; both glycolysis;