Which two substances are reactants in the chemical reactions of cellular
respiration?
I A. Carbon dioxide
B. Water
C. Sugar
D. Oxygen

Starch and are common polysaccharide carbohydrates found in plants. sucrose glycogen fructose cellulose

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

Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments