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How do scientists collect data about our solar system and the universe? How wiil you describe the sequence of oxygen carbon dioxide and blood flow? What does moving object mean? What is the big dipper also known as? What are the abiotic factors that help to characterize a biome? What element symbol is Ni? How much energy does a nuclear reaction give off? The attraction among molecules of different substances is called? What are 6 secondary colors? For an experiment how many people etc should you test? What are synonyms of spill? Thoracic disc at T9 T10 why does it hurt when you breath? How do sharks exchange gases? What is the abbreviation for copper on the periodic table? How many moles of hydrogen will it take to make 36 grams of water? Is magnetic force an example of contact force? Why do materials insulate? Can you hear an echo in a furnished room? What is the difference between cell wall of gram positive and gram negative bacteria.? What would happen to the pH value if you mix equal amounts of a strong acid with a strong base?