What is a maple tree autotroph or heterotroph?

How long did vesuvius erupt ad79? How many kilometers are there in 146 miles? What is the tissue responsible for transporting water and minerals from the root to the stem and leaves? Gas molecule apply more pressure against their container when what changes? Which one of the chemicals is responsible for the reduction of ozone layer in the atmosphere? Can ocean waves move faster than wind? Most of outer space is taken up by? Is pilus a virus? How would a parachute land safely on Mars which has a thin atmosphere? Why should the US go metric? Is metal rusting a chemical or physical change? What substances help regulate body functions? Where did Benjamin Banneker predict the solar eclipse? When earth formed its interior was heated by what two processes? What is Toluidine used for? What is a dark blue semi-precious stone from the mines of what is now Afghanistan? A community with hundreds of different types of primary producers a few herbivores and only one carnivore has? What is metric equivalent to 2 inches? What is soft iron's carbon content? How many gallons in a cubic meter?