using low energy appliances washing and reusing plastic cups using empty milk cartons as flower planters using aluminum cans to make new products
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which is the best example of recycling?
Possibilities:
- using low energy appliances
- washing and reusing plastic cups
- using empty milk cartons as flower planters
- using aluminum cans to make new products

using aluminum cans to make new products