Read the passage: \'Renewable energy sources like solar and wind now account for 30% of global electricity. However, their intermittency requires advanced battery storage systems to ensure consistent supply.\' What is the main challenge mentioned?

MCQ

English

A Renewable energy is too expensive.

B Solar and wind energy are not available.

C Intermittency requires better storage solutions.

D Fossil fuels are more reliable.

Explanation

The passage identifies intermittency as the key challenge, requiring advanced battery storage.

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