Hey guys i need answer within 5 minthe table below shows the age of fossils found in four separate layers of an undisturbed rock: fossils in rock layerslayer fossil in layer age of fossil (million years)a w 550b x 240c y 680d z 450which is the topmost layer of the rock? layer alayer blayer clayer d

Differentiation of cells changes the nucleic information. true false

Which of the following is a difference between active transport and facilitated diffusion? view available hint(s)which of the following is a difference between active transport and facilitated diffusion? facilitated diffusion can move solutes against a concentration gradient, and active transport cannot.active transport involves transport proteins, and facilitated diffusion does not.facilitated diffusion involves transport proteins, and active transport does not.active transport requires the expenditure of cellular energy, and facilitated diffusion does not.

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