Respuesta :
Answer: 4
Explanation:
Claire lost weight thanks to the support and encouragement of her friends. Therefore the factor that helped her lose weight was her social environment. Her social environment refers to the people around her so in this case her friends. They were the main factor in her losing the weight as they gave her the support and encouragement to do so.
The answer is number 4. She lost weight because of her social environment which was her friends