Is a tree a natural feature?

Why does photosynthesis not occur when chlorophyll water and carbon dioxide are placed in a test tube in the sunlight? How are plutons classified? How can you break apart any of the kingdoms to smaller kingdoms? What is the UCSC Genome Browser used for? How do you use thermo king thermoguard? In which state is there a national park encompassing a deep blue lake in the heart of a dormant volcano? Is lactobacillus acidophilus an eubacteria? Are organelles found in a plant and animal cells are also found in bacterial cells? How many protons in 80Se? Why do I need reference material in research? What are the predictions of scientists about plate tectonics? Is there a main breaker in side the breaker box? What is the saturation temperature of vapour or the boiling temperature of a liquid? Do natural or synthetic pesticides last longer? What is a 7 letter word for flows that move quickly? What is the term that refers to substances that can Not be broken down physically or chemically? What is a craton? Does oogenesis involve meiosis? What francium calcium titanium or iron the most reactive? What common physical feature do Charleston and Boston share?