Answer:
Uncover, non toxic,
Explanation:
Uncover- not cover or not to cover
example: anna, uncover the bed !!!
non toxic- not toxic or its not toxic
example: the drink is nontoxic
the un- in the word undo means like reverse so it wouldnt be undo
Note: There are two different prefixes spelled <un>. The first un- means “not, opposite”; the second means “reverse, remove.
