Asubstance has a melting point of 800ºc and a boiling point of 1465ºc. the substance is most likely
a. water.
b. hydrogen.
c. gold.
d. table salt.

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

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

How do limiting factors most affect population size? ostop population growthrestrict population growthincrease population sizeresult in positive impactso