True or false. the chemical elements essential for life cannot be recycled

Well, oxygen is quite essential for life, and while we take it from the air, plants take CO2 and H2O and expel O2, so false, I'd say thay essential elements for life can be recycled.

It is true. We can not recycle oxygen or carbon dioxide.

This is true! hope this : ))

What are the options or things that were supposed to match