Question

is the group of words in bold a phrase or a clause? lightning, which never occurs without a thunderstorm, contains one hundred million to one billion volts of electricity. phrase clause submit

Explanation:

A phrase is a group of words without a subject - verb relationship, while a clause has a subject and a verb. The bolded group “one hundred million to one billion volts of electricity” has no verb, so it's a phrase.

Answer:

phrase