An allergic response is not typically caused by a. harmless antigens b. pollen c. histamine d. both a and c i'm conflicted because histamine causes the physical response but pollen and harmless antigens cause histamine

Which best describes carbon dioxide’s path out of the body

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

Which nucleotide component contains nitrogen