On what principle does calorimeter depend?
a) hess’s law
b) law of conservation of energy
c) law of enthalpy
d) law of multiple proportions

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

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

The valence of aluminum is +3, and the valence of the chlorine is -1. the formula fir the aluminum chloride is correctly written as