All of the following can be found on a Pilot Chart EXCEPT information concerning the（）.

A.the altitude above sea level
B.the season of the year
C.the latitude or distance from the equator
D.All of the above

A.serves as a sea painter
B.detaches automatically
C.is used to rig the boarding ladder
D.is cut immediately as it is of no further use

A.colder sea surface
B.warmer sea surface
C.dry coastal plains
D.high mountain or plateau