208k views
1 vote
Which of the following is a controllable risk factor of infectious diseases?

A.
drug abuse
B.
pollution
C.
air
D.
heredity

User Jiayin
by
7.9k points

2 Answers

1 vote

Answer:

a

Step-by-step explanation:

User Pieter Kuijpers
by
6.7k points
2 votes

Answer:

A is the answer

Step-by-step explanation:

User Martin Hauner
by
7.4k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.