watching birds collecting seashells eating a picnic lunch building a sand castle
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Beach pollution includes sewage, paper and plastic containers, and oil from boats. Which beach activity most likely increases beach pollution?
Possibilities:
- watching birds
- collecting seashells
- eating a picnic lunch
- building a sand castle

eating a picnic lunch