Answer:
c) alcohol
Explanation:
Alcohol abuse: The term "alcohol abuse" is also referred to as "alcoholism" and is defined as the process in which an individual experiences a physical need of consuming alcohol instead of knowing that it can affect his or her life.
Alcohol intake while pregnancy may harm the developing fetus as it passes through the mother's blood to the fetus's blood and therefore damages as well as affects the fetus's calls. In this case, the spinal cord and the brain of the fetus are more prone to getting damaged.
In the question above, Greta was abusing alcohol.