Analyze a scientist observes a 5-ml sample of
an unknown substance. it is a blue liquid with a
density of 1.2 g/cm². the substance reacts with
carbon dioxide. list each of the properties of
matter the scientist observed and whether it is a
characteristic property of matter.

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.

Draw metallic bonding if two copper

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