How is carbon released back into the atmosphere? 1) photosynthesis 2) Decomposition 3)ingestion 4)Respiration

Does mitochondria still meet the definition of a eukaryote why or why not?

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?

What would happen if the tubing with the yellow band was placed in a beaker of distilled water?