Answer:
Option (3).
Explanation:
Teratogens may be defined as the chemicals that can cause birth defects in the fetus. Substances like alcohol, lead and nicotine acts as the main agents of tertaogens.
Shamona is drinking water that contains high level of lead. The element lead is harmful for the fetus. Even the small concentration of lead is enough to cause birth defects. The lead exposure can cause the abnormal development of brain and damages the brain of fetus. The fetus has low birth weight also.
Thus, the correct answer is option (3).
Answer:
Decreased biodiversity and increased red fox population
Explanation:
A major drawback of using sustainable agricultural practices to produce crops is scarcity of land for agriculture.
<h3>What is a drawback of sustainable agricultural practices?</h3>
Sustainable agricultural practices are those agricultural practices that ensure the safety of the natural environment. They are those agricultural practices that do not have negative impacts on the environment.
A major drawback of using sustainable agricultural practices to produce crops is scarcity of land for agriculture which leads to unsustainable practices such as continuous cropping.
Learn more about sustainable agricultural practices:brainly.com/question/1315410
b
Explanation:
bec because food are the only thing that can contain carbohydrate fat and protein for human being
