51. Potassium chloride (KCl) is a common salt. Which of the following would you expect to find in its crystal structure?
A diatomic molecules
B double covalent bonds
C irregular arrangements of atoms
D positive and negative ions

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

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

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?