Correct Answer: Option A

Explanation

Answer: A. air

(Air is a poor conductor ~0.025 W/mK; water ~0.6, glass ~1, ash varies but is higher.)

Air is a poor conductor of heat compared to solids and liquids like ash, glass, and water, making it a good insulator.

There is an explanation video available below.

• What is the meaning of agricultural sciences? Answer this

  1 Answers   ·   Agricultural Science   ·   2 days ago
• Does WAEC give Calculator to student for there exam? Answer this

  2 Answers   ·   Mathematics   ·   2 days ago
• 2(3)+2? Answer this

  1 Answers   ·   Mathematics   ·   2 days ago