In the formula 4H20, how many total hydrogen (H) atoms are there?
A) 2
B) 4
C) 8
D) 10

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

Write the overall equation for the reaction for lithium battery

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