Please ! I’m trying to sleep. * don't shout doesn't shout not shout can't shout​

What point is the author trying to make by comparing the travel times of the first transcontinental railroad and the first transcontinental flight?

Because genetics is now progressing so rapidly, it is revolutionizing medical research. identify the subordinate clause in the sentence. a) is now progressing b) is now progressing so rapidly c) it is revolutionizing medical research d)

Which verb or verb phrase signals an inappropriate shift in mood. a) will you let b) should first change c) must attend d) will be served