5. I might give brainliest pls anwer ASAP!!
Which sentence contains a collective noun?

a. During World War I, messages were tied to pigeon legs.
b. Flags or lights were often used to send messages between ships at sea during World War I.
c. During World War I, people used drums, signals, and lanterns to send messages.
d. Messages can be sent and received in a variety of ways during wartime.

How does this image the reader to understand seismographs?

The essay sea stars by barbara hurd. what point is the author making by comparing a sea star missing an arm to a human losing a limb?

Read the excerpt from the dark game: true spy stories from invisible ink to cia moles. yet, by the time robert e. lee surrendered to ulysses grant at appomattox, virginia, some four years later, about 620,000 soldiers had died on the battlefields, more than american battle deaths in all other wars from the revolution through the vietnam war. what is the author’s primary purpose for including this detail? to inform readers about the differences between three military conflicts to persuade readers of the seriousness of the american civil war to entertain readers with tales from behind the lines of battle to encourage readers to visit battlegrounds in appomattox, virginia