How do you avoid getting seasick?

Does ship has the same singular and plural form? Did hernan Cortes trade and with who plz answer? Who did Alexander Mackenzie travel with? What is a sea going clock called? What American walked across Russia to find the northwest passage? What color was the slave ship? What were European explorers looking for in north coast of North America? Why did Jacques Cartier go exploring? How many ships would it take to transport the population of Boston in 1850 from Europe if each ship carried 200 people? What did Robert Falcon Scott achieve on his first voyage? Where did Mary Read plunder ships? How long will it take to sail to Europe from Galveston? What did Cortes give to marina? What can you smell on an island? How does telemachus mange to acquire a ship and crew? Who were the first europeans to come to come to the Caribbean islands? When did another ship arrive after the Mayflower? Why was the northwest passage so important? Which river flows through Idaho? Who journeys to Ithaca with telemakhos and his companions?