he root of the word inflexible is flex, which means that affixes are everything that is added to this root. Having this in mind, there are two affixes here: a prefix in- and a suffix -ible.
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i think the last one but not so sure
Macbeth at the beginning of the play is described as being valiant and worthy. He executes an enemy to protect his country from a rebel. At the end of the play, Macbeth's actions are similar (his instinct to fight and kill), but his justification for those actions have changed drastically. He decides to kill Macduff's family even though they have done nothing wrong, which is very different from his earlier willingness to kill an enemy in defense.
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Question 6 is Adjective i think
Question 7 is Adverb
Answer:
an object cannot be accelerated unless there is an external force