FUN FACT OF THE DAY (day:5) Sharks have the thickest skin of any animal species. Some sharks have skin that is 6 inches thick. Sharks have the largest brains of any fish.

dats cool

Explanation:☺

sorry to ruin the mood but you know sharks fins are cut off and they're left to bleed out and die in the ocean because they can't swim with no fins

the answer is b.) hydrogen bonds between bases.

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;