Suppose aaron finds that the correlation between students' levels of optimism and their scores on an exam is –.68. this correlation indicates which of the following?

a. being highly optimistic causes students to have lower exam scores.
b. being highly optimistic causes students to have higher exam scores.
c. more optimistic students have higher exam scores.
d. more optimistic students have lower exam scores.

i do believe the correct answer is the spread of chinese culture throughout asia and africa.good luck

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.