The North Sea, Baltic Sea, and Mediterranean Sea are all partially enclosed bodies of water, while the open sea refers to the vast expanse of ocean that is not enclosed by land. The North Sea and Baltic Sea are located in northern Europe and are partially enclosed by surrounding countries, while the Mediterranean Sea is connected to the Atlantic Ocean but is largely enclosed by land. The open sea, on the other hand, refers to the unrestricted ocean waters that are not enclosed by land. **

It ultimately depends on personal preference and what one is looking for in a coastal destination. The North Sea is known for its rugged coastline, strong winds, and sandy beaches, making it popular for water sports and outdoor activities. On the other hand, the Baltic Sea offers calmer waters, picturesque fishing villages, and historic towns, making it a more tranquil and relaxing option for those seeking a peaceful seaside retreat. Both seas have their own unique charm and attractions, so the choice between the two would depend on individual preferences. **

Yes, a diabetic person can be suitable for sea travel as long as they take necessary precautions and plan ahead. It is important for diabetic individuals to bring enough medication, supplies, and snacks to manage their blood sugar levels while on the trip. They should also inform the cruise or travel staff about their condition in case of emergencies. With proper preparation and monitoring, a diabetic person can enjoy a safe and enjoyable sea travel experience. **

A diabetic person can be fit for sea travel with proper planning and management of their condition. It is important for diabetic individuals to consult with their healthcare provider before embarking on a sea journey to ensure their condition is well-managed and stable. They should also pack an adequate supply of medication, monitoring devices, and snacks to regulate their blood sugar levels while at sea. Additionally, being aware of the availability of medical facilities on board or at ports of call can help in case of any emergencies related to their diabetes. **

No, the Baltic Sea is not a Wadden Sea. The Wadden Sea is a coastal wetland area in the southeastern part of the North Sea, known for its extensive tidal flats and salt marshes. The Baltic Sea, on the other hand, is a brackish sea located in Northern Europe, bordered by several countries including Sweden, Finland, and Germany. While both bodies of water are important coastal ecosystems, they are distinct in their geographical and ecological characteristics. **

While some North Sea fish species can tolerate the environmental conditions in the Baltic Sea and vice versa, there are differences in salinity levels, temperature, and other factors that may make it challenging for certain species to thrive in the other sea. Some fish may be able to adapt and survive in the different conditions, but others may struggle or not be able to survive at all. Overall, it depends on the specific species and their ability to adapt to the new environment. **

Yes, there is a form of extreme hiking camping known as backpacking or wilderness camping. This type of camping involves carrying all necessary gear and supplies on your back and hiking long distances to remote and rugged locations. Backpacking often requires a higher level of physical fitness, outdoor skills, and self-sufficiency compared to traditional camping. It can be a challenging and rewarding way to experience the wilderness in a more immersive and adventurous way. **

Hamburg is located on the River Elbe in northern Germany, near the North Sea. **