6. The woollen clothes keep us 1 point warm during winter becauseO A) wool is an insulatorO B) wool is a conductorO C) wool doesnot allow air to enter.D) wool has a vacuum.

6. The woollen clothes keep us 1 point warm during winter becauseO A

1.	6. The woollen clothes keep us 1 point warm during winter becauseO A) wool is an insulatorO B) wool is a conductorO C) wool doesnot allow air to enter.D) wool has a vacuum.
Answer» INK its OPTION C) ....but you should CHECK it on GOOGLE