Answer:
C. the temperature and amount of rainfall in a biome
Explanation:
The correct answer is - 45 percent.
Since the clock produces 45 useful unites energy units for every 100 unites of energy that it uses, than it turns out that the efficiency of the clock is 45 percent.
Nigeria is a country in West Africa.
Topographical map has markings to show points of elevation like hills and mountains.
