Which prefix and word combination correctly uses a hyphen? ex-husband pre-school etract re-tell

The prefix and word combination that correctly uses a hyphen is "Ex-husband".

Explanation: Punctuation rules state that a hyphen should always be used when the prefix "ex" is part of a word. In that way, the prefix and word combination that correctly uses a hyphen is "ex-husband". On the other hand, although the other words provided also contain a prefix, the hyphen should not be added because its absence does not cause a confusion with another word.

some attention getter quotes to support your thesis regarding brain work could be the following: :

a. storage capacity of your brain is virtually unlimited.

b. your brain produces sufficient electricity to light-up a small bulb.

c. different brain circuits are involved with reading aloud or silently.

d. your brain by itself does not feel pain.

e. reading allows your brain to download info directly.

f. brains of two musicians performing together can synchronize.