What compound do you breathe out, and what element do you breathe in?

Describe five factors that influence the value of fuel

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

Which description provides the best objective summary of the article in the passage?