Diffusion can be defined as question 5 options: movement through a cell membrane using energy from atp active transport of particles up a concentration gradient movement of particles from a region of low concentration to a region of high concentration movement of particles from a region of high concentration to a region of low concentration

Which properties describe all matter?

Why do german shepherds shed so much

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