What is a key difference between presidential and parliamentary democracies? A.
the division of power between the regional and local governments

B.
the division of power between the central and regional governments

C.
the separation of powers between the legislative and judicial branches

D.
the separation of powers between the executive and legislative branches

true because they can bargain

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.

what are the statements

you answered your own : -/