Help lol. Select any decade from the nineteenth or the twentieth century and create a timeline that traces the significant developments in the field of psychology across that decade. Your timeline should include at least 10 significant psychological developments that span the decade that you
select

the act of deciding on matters of the economy. economic decision making is routinely conducted by finance ministers, economic advisors, heads of major central banks and business leaders and can have profound effects on a major economy.

your question is incomplete

explanation:

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.