Which hydrocarbon rings are most common in nature?

Where can dna be found in a prokaryotic cell

Which of the following describes the difference in stimuli required to detect a difference between the stimuli? a. just noticeableb. signal detectionc. subliminald. top down

30 points why are most volcanoes found around the ring of fire? this is a location where there are many hot spots. this is a location of numerous plate boundaries. this is a location within an active oceanic plate. this is a location of fast moving continental crust.