Question

Someone can tell me if my answers are correct and please help me with the question #15. Thanks

Answer 1

Number 1 is correct
However number to is asking for a specific name. Try rereading the area about longitude

Answer 2

my mistake you are correct

Answer 3

for number 3 you should add as well as explorers

Answer 4

by three I meant 14

Answer 5

15. So that they may tell others of their location and help others find their way to where they are, or so that people will not become lost.

Answer 6

Thanks Meh12345 for your help

Answer 7

No problem