There is a lot of talk about pH and shampoos. Some shampoos claim they balance the pH in your hair, others say they are alkaline and others say they are neutral or match the "natural" pH of your hair. What do you think that this means? Do you think the pH of your shampoo affects the condition of your hair? Why or why not? *

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

What is the empirical formula for c4h8o2

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