13. which of the following is a key factor influencing the uptake of contaminants by ingestion:

a. contaminant concentration
b. carcinogenic potential
c. volatility
d. partition coefficient 1

Contaminant Concentration is the  key factor which influences the uptake of contaminants by ingestion

Explanation:

There are various ways in which individuals may be exposed to contaminants in environmental media .Below mentioned are some of the ways :

answer: the choice of providing direction for individualized care of a patient.   the care plans is a flow of communication and organizing the constantly changing of the care plan.  

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diabtes type 1

explanation:

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