To get every imperfection corrected for the best results of your video .
Answer:
Many people with bad joints do exercises to restore the flexible function in their joints?
Explanation: Its a bad answer but it works
B. Roots
Roots are the smallest meaningful parts of words. For example the root word of aquamarine would be Aqua, which means water. So the root word can also give you a hint on the meaning of the word.
Hope this helps :)