asked 56.2k views
11 votes
1. Which of the following are carcinogens (risk factors that are known to cause cancer)? a. harmful chemicals

b. genetic factors
c. excessive exposure to UV rays
d. all of the above
e. none of the above

2 Answers

0 votes
D. None of the above
answered
User Bilal Murtaza
by
7.9k points
9 votes

Answer:

d. all of the above

Step-by-step explanation:

answered
User Sgedda
by
7.9k points
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