Select the most appropriate option to fill in the blank No. 1.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. used.
- "Used" is the appropriate choice as it aligns with the context, signifying that glacial meltwaters are harnessed for hydropower generation in Switzerland.
- The other option means:
- "Chosen" implies a selection process rather than utilization.
- "Plotted" means to mark or plan positions on a map or chart.
- "Glued" means to bind objects together using glue.