What ingredient in adhesive has caused some health concerns? a. fire-retardant chemicals b. wax c. formaldehyde d. preservatives

i think it’s a. (THINK)

I believe it would be Formaldehyde because it is a toxic chemical.

Explanation:

Can you give brainliest please I need 5 to become virtuoso rank

answer; i believe the correct answer is in new york,in subway stations,public murals and night clubs;

because of the importance of consistency in data collection. but we have to evaluate the resource or information, and not just accept what is posted online since information available on the internet is not regulated for quality or accuracy.