Answer the following question given this paragraph: 

Living things need nonliving matter as well as energy. What do you think matter is used for? It's used to build bodies. It's also needed to carry out the processes of life. Any nonliving matter that living things need is called a nutrient . Carbon and nitrogen are examples of nutrients. Unlike energy, matter is recycled in ecosystems. In the figure below, you can see how ( Figure below ).


Q: Unlike energy, what happens to matter in ecosystems?

 Choices:

- it is filtered

- it does not exist

- it is destroyed

- it is recycled

A:
it is recycled
