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.
Russia. It is the largest country in the world. 90% of Russia is in Asia and the rest in Europe.
Soil formation involves both C) chemical weathering and erosion of rocks.
The capital of Mexico is mexico city
La llegada de la corriente del Niño es considerada beneficiosa porque anuncia la temporada anual de lluvias, necesaria para la agricultura y el ciclo biológico del bosque seco ecuatorial.
