A mixture of neon argon krypton and xenon can also be separated by diffusion explain why?

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

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

As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit