What is a maple tree autotroph or heterotroph?

How far from Earth is Neptune in light-years? Why does your ankle and or foot get numb when you run on it? If blondes are so stupid and people make fun of them then why do people keep dying their hair blonde? What happens in a buffers when the level of h ions solution increases? What are the strengths and weeknesses of behavioral and logical decsion making styles? Are CFC's inert or nontoxic? What country was recently devastated by a tsunami? How many square km in Singapore? What does the term complementary base mean? Which of Dalton's postulates can be disproved today? Does Venus have volcanoes storms rings craters etc? What are 5 examples of machines with ball bearings in it? What types of stimuli can be used in stimulating a tissue? What may someday become an important carbon based fuel? Can green algae affect allergies-when it is on my house? What odor does DDT have? What the moon control in the planet earth? What Are Characteristics of time? What is the product obtained by combining fehlings a and fehlings b solution? What are the plants that has smooth stem?