Why does it take a year to orbit the sun?

What is the most inclusive component of an organism? How many different types of cactus plants are there? What is type of volcano is Mount Vesuvius? What is the name of the smallest planet known? What property of nonmetallic elements makes them more likely to gain electrons than lose them? The cooler more dense material sinks down toward earth's core? Why does a product not form even if the activation energy is available? Resolution of an optical microscope better with natural light rather than artificial? Where can I buy a belt conveyor system? What are Wyoming's major geographic land regions? When did Sylvia Earle die? How is kidney nephron adapted to its function? What is the molality of a solution made by dissolving 2 moles of NaOH in 6 kg? What will happen if a light neutral conductor is brought near a negatively charged object? How many high and low tides does myrtle beach experience per day? Give examples of inhibitors? Identify the reagent that separates fe3 plus? What is the pure and impure form of water and state why it is so? What does the 2 in the formula for water indicate? What is murcery?