A mole(6.02214076×10^23) of blue whales(320,000 lbs) weighs how much more than the moon? (7.35 x 10^22 kg)

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

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

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.