What can be used to navigate oceans?
spacecraft magnets navigation altimeters sun dials calibrated wind boats
A B C D E F G H
Magnets are used in compasses.
Magnets are used to navigate oceans
What can be used to navigate oceans? (A) spacecraft (B) magnets (C) navigation (D) altimeters (E) sun dials (F) calibrated (G) wind (H) boats