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Which of the following factors determines how harmful an introduced chemical will be on the environment?
a. type of chemical

b. concentration

с. weather conditions

d. all of the above

Respuesta :

Answer:

I believe it will be D. all of the above.

Explanation:

Answer: it is all of the above

Explanation:  chemical is introduced are factors that determine how harmful an introduced chemical will be in the environment. also it  is asked here at Brainly!!!