An atom of carbon-14 contains six protons, eight neutrons, and six electrons. Which will an atom of carbon-12 contain?

How many grams of n2h4 will be consumed by 23 g of n2o4

What layer of the atmosphere is directly above the troposphere?

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