Alternative energy sources- 4. MB

R___________ energy sources can naturally replenish themselves over time.

P____________ is the process by which plants use sunlight to synthesize food.

To r___________ means to restore something to its original state or supply.

To s___________ energy means to retain it for later use.

To c___________ sunlight into energy is a fundamental solar panel function.

B___________ is the outer layer of trees and some plants.

M___________ is organic matter from animals, often used as fertilizer.

To c___________ materials involves transforming them from one form to another, such as turning biomass into fuel.

S___________ C___________ is a plant widely grown for producing biofuels.

To g___________ electricity is the primary goal of most power plants.