Answer:
Few valuable natural resources is the correct answer.
Explanation:
Answer:
The conceptual problems are explicit and complete. The set of allowed movements or actions that can be performed during the solution of the problem is known as CPS (_Creative problem solving). ification of the initial and objective states, while judging does not benefit the problems are when the states, operators or both can be vaguely specified.
The earth gets most of its energy from the radiogenic heat from the radioactive decay of isotopes