Which pairing is matched correctly regarding the structure of an artery? tunica media – thinnest layer, consists of elastic and collagen fibers tunica intima – consists of elastic fibers and smooth muscle fibers tunica externa – consists of simple squamous cells, called exothelium tunica intima – has a basement membrane and an internal elastic lamina tunica media – layer closest to the lumen

d is the answer

sorry if its wrong!

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.

explanation:

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the second type of galaxy is called a barred spiral, which has a thing called a bar straddling the nucleus

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?