Socioemotional selectivity theory suggests that:. a. older people withdraw from peripheral social contacts but maintain close relationships with friends and relatives throughout life.
b. older people work to expand their social network as they get older and prefer quantity to quality when it comes to friendships.
c. older people restrict the number of relationships of all kinds, focusing on their personal needs.
d. older people work to expand all relationships by establishing more close relationships and working to meet new people.

older people work to expand their social network as they get older and prefer quantity to quality when it comes to friendship

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.

the answer is: c. c.it limited the president’s power to start wars.

the war powers resolution of 1973 requires the president to notify the congress whenever the president wanted to order a military operation to other countries within 48 hours. if after being reviewed the congress disagree with the proposal, that the president will be banned from ordering the operation.