Which structures are modified ganglionic sympathetic neurons that secrete the hormones epinephrine and norepinephrine into the blood to enhance the fight-or-flight response

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils