What positive influence did Cope and Marsh's rivalry have on the field of paleontology? Use two details from the article to support your response.

Cameron, who has an extreme and unreasonable suspicion of other people and their motives, suffers from paranoia which is a psychological disorder characterized by delusions of persecution or grandeur, was absolutely sure that someone was following him even though he was absolutely alone and hadn't seen a car for miles and miles.

Which verb from is used to indicate the perfect progressive tense

What is the phrase a tiny shoot of phase prikled by the mind