Find the word which has a different position of the main stress in the each line
1.a, affect
b, pollute
c, effect
d, litte
2.a,cholera
b, pollutant
c, permanent
d, groundwater
3.a, radiation
B, political
C, historice
D, contaminant
4.a, seriously
B, measurement
C, scientific
D, logical
5.a, aquatic
B, historic
C, physical
D, botanical