Which of these is a factor that contributes to cultural change over time?

A. Natural resource conversation
B. Role models and leaders
C. New universities
D. Good manners

The correct option is B) Role models and leaders

Explanation:

History is exploded with role models and leaders of a society under which many cultural changes are influenced. For example, the services of Martin Luther King for bringing social equity contributed to major cultural change in America. Due to the hard work of Martin Luther King, people with minorities were also able to live a peaceful life.

Not just Martin Luther King, history of each country is filled up with role models and leaders which contribute to cultural changes over time.

answer; (true);

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.