How is a year described?

Do two core cables have earth wires? How many times does volcanoes go off? How do producers artificially change the state of equilibrium? Why does plain water boil faster than vinegar water? What is the purpose of the Golgi body that is present in both animal and plant cells? Latitude and longitude of the sphinx? What are The two heavenly bodies which were predicted to exist before they were sighted? What stores carry buckyballs? What factors explain the difference in biodiversity between tundra and the tropical rain forest? Is silicone a combustible? Which hormone regulates rate of red blood cell production? What is an example of radaition? Where does pyramidal tract cross? Side away from the wind? Where is the ice flute in mt avalanche? Are manta rays herbivores? What plant structure would have the most chloroplasts? When did Ernest Shackleton go to the south pole? What do Stem cells know when to change and what to change into? What is the mass and capacity in liquid in a thermometer?