A scientist is conducting an investigation that invoves water, silver, carbon dioxide, and oxygen gas. Which group of statements best describe all of the materials he is using in the investigation?

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

Nucleic acid certain protein cell membranes certain carbohydrates

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.