Which statement shows how trade routes influenced ancient civilizations? A.
As silk grew popular, it became a popular clothing choice for people in the lower classes.

B.
As different civilizations traded goods, they also shared cultural values and beliefs.

C.
As trade developed, long-distance travel became safe and easy for each civilization.

D.
As travel over land became easier, trade by water became unnecessary.

answer; /// the correct answer is (belongingness needs; good luck

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.

answer; the above statement is (true);

answer; conditional stimulus will trigger a conditioned response;