List the direct and arterial baroreflex-mediated effects on heart rate, cardiac output, total peripheral resistance, blood pressure and renin secretion if you give someone an intravenous bolus of a beta-1 adrenergic receptor agonist.

links? do you have a link? i don't see anything?

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.