Question

Q.4.A. Answer the following briefly (any3)
1. What is Vulcanization?
2. Write the function of lodine? Which sources of food contain lodine?
3. Which are the various reasons due to which our bones might break?
4. What are the functions of Human skeletal system?​

Answer 1

Answer:

1. process of treating crude or synthetic rubber or similar plastic material chemically to give it useful properties.
2. The body needs iodine to make thyroid hormone. seaweed contain iodine.