Japan uses an average of 21 quads of energy each year. Calculate the energy used in quads for each source of energy in the pie chart.

Answer is A) characterized by four seasons.

Deciduous forest is characterized by the trees whose leaves fall seasonally.  Trees of this forest grow in areas where there are four distinct seasons and having annual rainfall between 750 to 1,500 mm. The fallen leaves from the trees provide a regular source of organic matter to the soil. The trees in deciduous forest is dominated by broad leaf trees such as oaks, maples, beeches. Besides these trees shrubs and perennial herbs also found in abundance.