Scanning the passage: “Renewable energy sources, particularly solar and wind, have shown a 20% growth in efficiency. While hydroelectric power remains stable, biomass usage has declined due to high maintenance costs,” which source has declined?
A.
Solar
B.
Wind
C.
Hydroelectric
D.
Biomass
✓
📝 Explanation
The passage explicitly states, 'biomass usage has declined'.
📖 Additional Information
Solar
Wind
Hydroelectric
Biomass
The passage explicitly states, 'biomass usage has declined'.
