Humans would not be able to breathe and sound would not be able to travel also there would not be any life
~in which there would be no plants because humans breathe out carbon dioxide and if there are no humans then plants won’t be able to consume carbon dioxide
I think it’s C but not precisely sure about it
Answer: unicellular
Explanation: Euglena are unicellular organisms classified into the Kingdom Protista, and the Phylum Euglenophyta. All euglena have chloroplasts and can make their own food by photosynthesis.
I really hope this helps!
