Q. Sphangum is used as a packing material for trans- shipment of living material because

1. It serves as a disfintectant
2. It reduces transpiration
3. It is easily available
4. It is hygroscopic

Hello Student,
Please find answer to your question below:

Correct answer is 4. It is hygroscopic
Species of sphangum provide peat that have long been used as fuel and because of their capacity to hold water as packing material for trans-shipment of living materials.