Yes, there are coin-operated vending machines in Flensburg. These machines can be found in various locations such as train stations, shopping centers, and public buildings. They offer a variety of products including snacks, drinks, and even everyday essentials like toiletries and phone chargers. Customers can use coins to make purchases from these vending machines. **

Submerged submarines can be located using a variety of methods, including sonar technology, which uses sound waves to detect underwater objects. Another method is through the use of magnetic anomaly detection (MAD) systems, which can detect the presence of a large metal object like a submarine. Additionally, some submarines can be located using passive acoustic detection, which involves listening for the sounds emitted by the submarine's machinery or propellers. Finally, advanced satellite and aerial surveillance technologies can also be used to track the movements of submarines. **

The length of time a minor can stay submerged underwater varies depending on several factors such as age, physical condition, and water temperature. On average, a healthy minor can hold their breath for around 30 seconds to 2 minutes. However, it is crucial to always supervise minors when they are in or around water to prevent any accidents or drowning incidents. **

No, the Ninjago Water Strider is not designed to be submerged in water. While it is a watercraft that can float on water and move across its surface, it is not intended to be fully submerged. Submerging it in water could damage its electronic components and affect its functionality. It is best to use the Water Strider as intended, on the surface of water. **

Yes, the Brita water filter should always be submerged in water when in use. Submerging the filter allows water to flow through the filter media, which removes impurities and improves the taste of the water. If the filter is not submerged, it will not be able to effectively filter the water, and the quality of the filtered water will be compromised. Therefore, it is important to always ensure that the Brita water filter is fully submerged in water when in use. **

Babies are born with a reflex called the "dive reflex" or "bradycardic response," which is triggered when they are submerged in water. This reflex causes their heart rate to slow down and blood flow to be redirected to vital organs, allowing them to conserve oxygen. Additionally, their vocal cords close to prevent water from entering their lungs. These physiological responses help babies to survive underwater for a short period of time without breathing. However, it is important to note that babies should never be submerged in water without close supervision, as they are still at risk of drowning. **

Yes, in many Christian denominations, a person is completely submerged in water during baptism. This form of baptism is known as immersion, and it symbolizes the washing away of sins and the resurrection to new life. However, some denominations practice baptism by pouring or sprinkling water over the person's head, which is known as affusion. Both forms of baptism are considered valid by different Christian traditions. **

At the first coin-operated vending machine, which was created in the early 1880s by Percival Everett, customers could purchase postcards for their money. The machine was installed in the railway stations and post offices in London, and for a penny, customers could receive a postcard featuring a picture of the surrounding area. This early vending machine was a novelty at the time and provided customers with a convenient way to purchase postcards without the need for human interaction. **