Question 18 of 25 The Clean Air Act of 1970 was different from previous air quality legislation,
How was it different?
A. It put the federal government in charge of regulation.
B. It was the first antipollution law passed in the United States.
C. It was the first environmental law passed in the United States.
D. It put regulation in the hands of state and local governments.
SUBMIT

the real answer is b. scintillation counter

cell division is not regulated in tumor cells.

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.