Aelements in the ratio of adams in a molecule or compound

Which metal exist in liquid state and can be cut with knife ?

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

When a device is used in a circuit in which the voltage is 81 v the current flowing through the device is 3 a what is the resistance of the device