They are composed of proteins. I cannot see the options but hopefully that answer is in one of them
Movement<span> of tectonic plates or giant rock slabs that make up </span>Earth's<span> surface, lifts up. Eventually, erosion or people digging for </span>fossils<span> will </span>expose<span> the preserved remains. </span>Describe<span> three factors that encourage the formation of </span>fossil<span> formation</span><span>.</span>
Accumulation of substances such as pesticides or other chemicals in an organism
Birds and reptiles lay amniotic eggs. They consist of a shell, embryonic membranes, and the embryo.
Dna profiling and replication, stem cell and tissue engineering, <span>xenotransplantation</span>
