How can undisturbed sedimentary rock layers and index fossils in
Dinosaur Provincial Park provide information about the ages of the park's
ancient animals?

Which ocean zone has the most abundant primary producer and why a) the abyssopelagic zone ,du to the absence of light and cold water temperatureb) the bathypelagic zone, due to the absence of light and cold water temperaturec) the mesopelagic zone ,due to uts high light availability and warm water temperature d) the epipelagic zone,due to its high light availability and warm water temperature

Which description best characterizes the motion of particles in a solid?

Salt in oceans comes from and of rocks