CBSE Class 7 Answered
<div>why a cotton garment cannot keep us as warm in winter as a woollen sweater does?</div>
Asked by annusharma_2005 | 27 May, 2016, 09:50: PM
Cotton clothes are thin and do not have spaces in their fabrics through which air can be trapped to keep us warm. So cotton clothes do not prevent heat coming out of our body.Woolens create a barrier to this and allow the body heat to stay in closer to the skin.
Answered by Sivanand Patnaik | 28 May, 2016, 07:51: PM
Concept Videos
CBSE 7 - Science
Asked by malleshabmmalli | 29 Aug, 2021, 12:59: PM
CBSE 7 - Science
Asked by khushisinghrathore753 | 10 Aug, 2021, 02:18: PM
CBSE 7 - Science
Asked by yashvijain04.7dgatl | 30 Jul, 2021, 06:17: PM
CBSE 7 - Science
Asked by divyasisode71.7dgatl | 25 Jul, 2021, 04:17: PM
CBSE 7 - Science
Asked by qwertyannu1985 | 09 Jul, 2021, 07:31: PM
CBSE 7 - Science
Asked by swararakhade62.bpps | 23 May, 2021, 06:53: PM
CBSE 7 - Science
Asked by sourabhmittal635 | 05 May, 2020, 11:18: AM
CBSE 7 - Science
Asked by pandey2233kr | 02 May, 2020, 08:19: PM
CBSE 7 - Science
Asked by Sureshabasappa | 10 Apr, 2020, 02:05: PM