Question

1）海豚很友好么?（Are dolphins friendly?)

Answer 1

1.Yes dolphins are very friendly with people

2.yes every animal have language they belongs

3.25-35 years average

4.about 400-600 miles

5.about 40 mile per hour

6.dolphins must move and move while they can sleep

7.dolphins sleep all day .but they can be left and right brain exchange rest