PDF chapter test TRY NOW
Choose the correct answer:
1. Statement 1 - Gases released by burning coal and petroleum are harmful.
Statement 2 - Oxides of nitrogen, sulphur, and carbon are poisonous at higher concentrations.
Statement 2 - Oxides of nitrogen, sulphur, and carbon are poisonous at higher concentrations.
2. Statement 1 - Natural resources are available in limited quantities and have a fixed location.
Statement 1 - Natural resources are considered basic requirements for a country's economic development.
Statement 1 - Natural resources are considered basic requirements for a country's economic development.
Register for free to see more content