I just took the test and lack of nutrients is the wrong answer
Answer: Lack of proper nutrients.
Explanation:
Trees that are located in the cities ad exhibit a stunted growth are due to the lack of nutrients in the soil.
Most of the soil on the cities are contaminated due to soil pollution. In this case the essential nutrients in the soil lacks and due to the lack of nutrients the plants have poor quality of fruits, abnormal leaf pattern.
People in the cities are so careless that they contaminate the soil by throwing non biodegradable wastes that harms the growth of the plants.