According to the theoretical position developed by karl marx, what causes social change?
a. conflict between social groups
b. cooperation between social groups
c. exploration beyond the boundaries of a given society
d. developmen of technology

delete this messag epls it wont let me out this exit

explanation:

allergens: overstimulate the nerve system

neurotics: attack nerve cells

mutagens: damage or otherwise alter dna sequence

generators: cause defects during growth and development  

carcinogens: cause unchecked cell growth

i hope you get the idea according to me these are the effects that happened.

c is the newer have a great day