The following characteristics describe which type of mixture, homogeneous or heterogeneous? the substance is mixed uniformly throughout and each part of the substance contains the same ratio of materials with the same properties. a. homogeneous mixture. b. heterogeneous mixture.

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

Compare and contrast physical changes with chemical changes.

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