Yes they should because, if people need to take notes then they can just look up what they need to write down and remember.
A- Many ethnic groups lived in the artic regions
Answer:
through his behavior during a conflict
Explanation:
"White Fang knew nothing about fire"
In colloquial English 'them" would be acceptable
In formal English 'they' is used accompanied by the corresponding auxilliary verb
So, you could also say Is everyone who works in this store as helpful as they are ?
A linking verb is a word that links a noun with an adjective so in this case, B. Sarah seemed nervous at first. would be the answer because "Sarah" seemed "Nervous". Hope this helps!! :)