4. Which word in the text that starts with (n) and it means : (needed)
necessary
2. Find a word in the text that starts with (a) and it means: (NOT to do it)
avoid
3. Find a word in the text that starts with (h) and it means: (causing damage)
harmful
1. Find a word in the text that starts with (c) and it means: (It has something)
contains