Science when birds remain airborne and moving without flapping their wings, on what are they gliding?

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

What is the role of dna ligase in the elongation of the lagging strand during dna replication?

What characteristic makes a cell membrane selectively permeable