How can you tell rough er from smooth er

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

Cells must be in osmotic equilibrium with their surroundings environments because if they swell or shrink thier membranes will rupture

Atype of organism that no longer exist on earth is said to be