Bacteria provides a valuable clue to the origin of life on earth. which of these is the most likely process by which bacteria was formed? a. appearance of new plants b. adaptation of living things c. geological transformation of earth's crust d. chemical transformation of non-living matter

Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d