What's the mass in grams of 0.442 moles of calcium bromide, CaBr2? The atomic weight of Ca is 40.1 and the atomic weight of Br is 79.9.
A) 452.3 g
B) 53.04 g
C) 44.2 g
D) 88.4 g

What royal scientist used the 29th day of frozen vapor to encounter elements for mastering new culinary creations?

An observation that requires measurement is called quantitative observable or qualitative

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