There are several ways, including the presence of animals or plants normally found near shore. Weather patterns can also provide a clue.
Sailors used an astrolabe to measure the angle of the sun or a star above the horizon. By knowing this angle and the current date, they could calculate their latitude at sea. This helped them navigate and determine their position on the open ocean.
The magnetic compass was the European invention that helped explorers determine the directions they were traveling by using the Earth's magnetic field. This device aided navigation by pointing towards the magnetic North Pole, enabling sailors to maintain their heading even when out of sight of land.
Sharp shadow show us that light travels in straight lines and cannot bend around corners.
You cannot accurately tell time on a sundial when it is rainy because the sun's rays are blocked by the clouds or rain. The shadow that the sundial casts is crucial for telling time, so without the sun, it's not possible to do so.
No, there are no moons orbiting Mercury. Mercury is one of the few planets in our solar system without any natural satellites.
In general, you cannot tell. For example, try it with a near-regular hexagon.
This question cannot be answered.. For this question to be answered you will have to tell me more details.
It can tell you which way is north
You should tell the coast guard and tell any one in the water near you to get back up onto land quickly!
it is a floodplain
a sailor uses an astrolabe by using it to tell latitude
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No, you do not have to tell them where it is. But the game is built on honesty and integrity and good sportsmanship would mean that you do tell them where it is.
To alert ships that were passing by, that they were close to shore.
These are generally called 'Lighthouse'. Not just dangerous areas but these tell the ship that land is near by and not to come too near or they will be grounded. These also help the ships in locating themselves.
it cannot tell the color of the dinosaur..
To put wax in the sailors ears and tie themselves to the ship.