How many moles of naoh are needed to make a 1 m solution?

Which of the following electromagnetic waves can create ions?

How are isotopes of the same chemical element alike? how are they different?

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