HELP ME I HAVE 18 THINGS DUE IN 15 MINUTES

answer; ///i believe the correct answer is (aids) acquired immune deficiency syndrome;

this protocol describes a detailed procedure for intracellular flow cytometry staining.

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.