17. Short answer I

1. What does the term biodegradable mean?

A material that gets formeddecomposed through natural processes and actions by animalsbirdsmicrobes are called biodegradable.

2. What kind of fabric is suitable to dress-up and play in the summer?

It is preferable to wear woolsyntheticcottonnylon clothing in the summer. This is because most woolsyntheticcottonnylon fibres absorb very little moisture and do not allow air circulation making them hot and uncomfortable to wear.