Which of the following words can be formed by adding a prefix to the root word 'form'?

A. TRANSFORM

What is the root word in the term 'disagreement'?

A. AGREE

Which of the following options is a valid suffix that can be added to the root word 'create'?

A. -TION

Which of the following words is formed by adding a prefix to the root word 'happy'?

A. UNHAPPY

Which of the following options represents a correct transformation of the root word 'cycle'?

A. BICYCLE