Question

What seedless plant is a renewable source of energy?

a. club moss

b. horsetail

c. sphagnum moss

d. fern

Short answer

Option (c). Sphagnum moss is a renewable source of energy.

Step-by-step solution

 Step 1: Introduction 

The explanation for renewable sources of energy:

Renewable sources of energy are naturally occurring source limitless sources of energy. Wind or solar energy comes under the vast umbrella of renewable sources. The rate of restoration of renewable sources is equivalent to the rate of energy consumption of such sources, making it a continuous source of energy unlike coal and other non-renewable sources.

Explanation for correct option. 

The explanation why Sphagnum is a renewable source of energy:

• Sphagnum is the most important species of a bog ecosystem i.e., wetlands with peat accumulation. Sphagnum thrive in the bog ecosystem as they do not decompose and forms peat moss. They're cultivated for their various uses most importantly being an energy producing source.
• Canada is the top producer of sphagnum peat moss as it is a sustainable energy resource. Apart from thsphagnum's ability to retain a large amount of water and minerals makes the soil rich and fertile for other plants to thrive.