What is the oxidation state of C in cac2?

What is the name of the biological process that converts solar energy to cellular energy? What are the scientific advances that were based on the scientific knowledgement of? You have a plan that gives you 10 discount if you make calls 7 PM-6 AM the permanent charges 10 and the sales tax is 6 on the first month bill you call for 130 min 6 AM-7 PM then 400 min 7 PM-6AMTotal? Why was dirty water poured on the streets of Rome? Does keratin waterproof the skin? How many kilo is 100 pound? What happens to the volume of the gas when the number of moles is doubled? What is chevrons used for? Where do tidal waves originate and where do they end? How many pounds equals 1 decanewton? Why does DNA need to be expressed as 3 letter words rather than 4? What does Pluto's nickname the grim suggest about his emotional outlook to the world? What layer of the sea does the sea horse live in? Why not to live next to volcanoes? What energy source uses fuel cell? What type of lava do shield volcano have? How long does current remain in a 220 volt circuit? What are the volcanic soils and agriculture of Mount Rainier? What are two major minerals? Why is the international date line in a straight line geography?