<span>An adjective clause is simply a group of words with a subject and a verb that provide a description. The clause starts with a pronoun such as who, whom, that, or which or an adverb such as when, where and why.</span>
In order to answer this correctly, you must know the meaning of vigilant (keeping careful watch for impending danger) as well as the meanings of all the choices given. Which two words are similar in meaning? When you have that answer, take out the word vigilant, and put the new word in its place. Does it still make sense? If so, you most likely have the correct answer.
Answer:
A satellite image of Point Rosee used by archaeologist Sarah Parcak in her search for Viking settlements. Dark straight lines indicate the remains of possible structures. ... So when Parcak uses satellite imagery to search for signs of Norse settlers, she's not looking for actual ruins.
Explanation:
The answer is pass-over.<span />
