Give the correct form of the words in the brackets

A. preservation

B. preserve

C. preserved

D. preserving

A. attract

B. attracts

C. attraction

D. attracting

A. excavates

B. excavated

C. excavate

D. excavation

A. ageing

B. age

C. ages

D. agency

A. overpopulated

B. populated

C. unpopulated

D. dispopulated