Does burning fossil fuels put carbon dioxide in the atmosphere?

In what for do plants utilize nitrogen? why do they need nitrogen?

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?

Will mark you as ! keiko’s teacher was discussing the theory of endosymbiosis. she asked keiko to mark the organelles in the diagram that most closely resembled prokaryotes. which organelles should keiko mark? * the first image is the question and the second image is some information to you answer the !