What is the NMFC Code for zinc oxide?

What is the first hymn ever recorded on track? How are scientific studies carried out to measure the effectiveness of pharmaceutically active chemicals? How many cubic meters makes a liter? How can allele frequency lead to speciation? How is earths tilt maintained? How can an atmospheric drag affect am orbit? Type of electrodes used to electrically stimulate the brain? What is The estimated time of origin of the earth and solar system in millions of years? The name for the leaves of plants which have several colours? What are Microscopic plants? How do you buy electricity? What stores triglycerides? What are two dangers of lava viewing? What is a change from one activity or condition or location to another? Two co-accused tried together one gets two yesrs can the other get more then two years? Which mass number or atomic number determine what element an atom is? What are the 4 ways by which metamorphism may occur? Explain the need for cycling of major nutrients? What is the molarity of NaCl concentration of blood? Who discovered cells and when?