wash hands before each meal do a science project about energy ride a bike to school instead of riding in a car pack a lunch instead of buying a school lunch
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which is the best way to help protect the environment?
Possibilities:
- wash hands before each meal
- do a science project about energy
- ride a bike to school instead of riding in a car
- pack a lunch instead of buying a school lunch

ride a bike to school instead of riding in a car