why can some natural resources not be used in their natural form
Answers
Answered by
3
Answer:
Hydro-electric energy is not a natural resource because people use turbines to convert the energy from moving water. Petroleum and iron ores are natural, but need work to make them into usable refined oil and steel.
Answered by
0
Answer:
Because they need to clean and pure after they were used neither they ware harmful to us
Similar questions