i. They are caused by germs. |
ii. They are caused due to lack of nutrients in our diet. |
iii. They can be passed on to another person through contact. |
iv. They can be prevented by taking a balanced diet. |
i. Silk is a plant fibre. |
ii. Jute is obtained from the leaves of a plant. |
iii. Weaving is a process of making fabrics from yarm. |
iv. Cotton yarn on burning gives an odour similar to that of a burning paper. |
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