Answer:
An increase in the PR interval
Explanation: The PR interval measures the time between atrial and ventricular contraction. The AV node transmits impulses from the atria to the ventricle allowing blood to fill the atria before being forwarded to the ventricle. The PR interval represents this action.
This is true as pesticides, batteries and leftover paint all generate hazardous waste. Hope this helps ;)
A reason that many city workers lived in unhealthy conditions was <u>"there was no garbage collection or sewage service."</u>
All people produce wastes of different kinds; for instance, pee and feaces, Waste from washing and cooking, and strong squanders created at home and in working environments, schools, healing facilities and other open structures. Every one of these wastes should be controlled and overseen to assist individuals and the condition that they live in. In urban regions where individuals live near one another and space can be constrained, dealing with these wastes is a troublesome issue.
Waste that isn't appropriately overseen, particularly excreta and other fluid and strong waste from families and the network, are a genuine health hazard and prompt the spread of irresistible sicknesses.