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

A. TRANSFORM

Which of the following is NOT a valid word formation from the root 'act'?

B. ACTION

Which word is formed by adding both a prefix and a suffix to the root 'port'?

A. IMPORTATION

Identify the word that is formed by removing a prefix from 'disagree'.

A. AGREE

Identify the word that is formed by the root 'form' and the suffix '-ation'.

A. FORMATION