Phospholipids like other lipids are not true polymers because one lipid molecule is held to the next by

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

Which type of landform forms at the plate boundary as a result of divergent stress

Modern sea star larvae resemble some primitive vertebrate larvae. this similarity may suggest that primitive vertebrates