Once archaeologists determine what the past was like, their ideas never change. true or false?

False

Explanation:

Archaeologists have many ideas about what the past was like, and when they actually do determine the past they still have many doubts and can change what they find anytime and instead say something else from what they said last time.

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; obscene;