Answer:
Tobacco. Smoking during pregnancy increases the risk of health problems for developing babies, including preterm birth, low birth weight, and birth defects of the mouth and lip. Nicotine is a health danger for pregnant women and developing babies and can damage a developing baby's brain and lungs. This could really harm the baby.
The actual answer is D because risk factors are anything that increases the risk of someone getting sick or disease
Please mark as Brainly
Answer:
1) CFC
2) acid rain
3) the greenhouse effect
4) smog
5) Carbon Monoxide
6) Air pollution
I THINK THESE ARE THE ANSWERS
SORRY IF IT IS WRONG!
