Across
- 1. The study of calculation and numbers.
- 4. The largest port city in East Java Province, also known as the “City of Heroes.”
- 7. A natural satellite that orbits the Earth and reflects sunlight at night.
- 8. The process of changing from liquid to gas, usually by heating.
- 9. A global system that connects millions of computers around the world.
- 10. The layer of gases that surrounds the Earth.
Down
- 2. A rise in the general level of prices of goods and services.
- 3. A brass wind instrument with valves, often used in orchestras
- 5. A person who designs buildings and supervises their construction.
- 6. The study of human behavior and society.