How much abundance does technetium have?

What percentage of the molar mass of N2S6 is derived from carbon? What was the true idea that the sun was in the center of the solar system called? What type of air tends to sink? How does Christmas affect global warming? Where is the source of the Niger river? Why Chloroplast is an energy converting organelle justify? Is quartz radioactive? What has been done to prevent cyclones? What are The foundations of modern astronomy developed out of what renaissance discovery? What is the round colored part of the eye which has muscles that cause the eye to move? What percent of the time does the cell stay in interphase? How many inches are there in 435 mm? Why did the rock collector like his metamorphic rock so much? How do amino acids digest meat? Can you use chemical grade hydrogen peroxide to dissolve flesh off of animal bones? Magnetic axis that has wandered over time? What is located at 0 degrees latitude and 90 degrees west longitude? Does increasing the concentration of an acid affect the volume of gas released? How much heat is absorbed when 52.3 g H2O(l) at 100 and degC and 101.3 kPa is converted to steam at 100 and degC (The molar heat of vaporization of water is 40.7 kJmol.)? What word is to change appearance in order to avoid being recognized?