Can i please get a little help <333

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

Hemoglobin is a proton that carries oxygen around the body what is hemoglobin made from

20 how are energy cycles and growth cycles related?