1. In 50 years, homes might be located ______________________or on water. 2. The Internet is one of the greatest ___________________in human history. 3. Scientists are _____________________the possibility of living on Mars. 4. New ___________________has made it possible to communicate more easily. 5. Thomas Edison received a __________________ for his light bulb in January 1880. 6. Science-based technology has an _________________impact on the human environment. 7. We have made significant _______________________ in the fight against HIV/AIDS. 8. Modern freezing __________________enable the chickens to be stored for weeks. 9. Robots will bring _________________________to the manufacturing workforce. 10. Her cancer has been called _______________ after it spread to her lungs.