Fresh cake typically stays fresh for 2-3 days if stored properly at room temperature in an airtight container. However, certain types of cakes with perishable fillings or frostings may need to be refrigerated and will stay fresh for 3-4 days. To extend the freshness of a cake, you can also freeze it for up to 2-3 months. **

These are fresh dairy products. "Fresh dairy products" typically refers to items like milk, cheese, yogurt, and butter that are made from fresh milk. On the other hand, "milk fresh products" could refer to a broader range of products that include milk as a primary ingredient, such as ice cream or milk-based desserts. Therefore, the term "fresh dairy products" is more specific and accurate in this context. **

No, food cannot be kept fresh forever in a vacuum-sealed, airless space. While vacuum-sealing can significantly extend the shelf life of food by removing oxygen and slowing down the growth of bacteria, it does not completely stop the process of decay. Over time, food will still degrade in quality and eventually spoil, even in a vacuum-sealed environment. It is important to still follow recommended storage guidelines and expiration dates for vacuum-sealed food. **

Without being able to see the ivy in question, it is difficult to determine if it is fresh or not. Fresh ivy typically has vibrant green leaves that are firm to the touch. If the ivy appears wilted, discolored, or has dry, brittle leaves, it may not be fresh. It is best to visually inspect the ivy to determine its freshness. **

Fresh turmeric is a root that belongs to the ginger family and is known for its vibrant orange color and earthy flavor. It is commonly used in cooking to add color and flavor to dishes, as well as for its potential health benefits. Fresh turmeric can be grated, sliced, or juiced and is often used in curries, soups, smoothies, and teas. **

Fresh roe refers to the eggs of fish, typically from species such as salmon, trout, or herring. These eggs are harvested and consumed as a delicacy in many cuisines around the world. Fresh roe is prized for its delicate texture and briny flavor, and it can be enjoyed on its own or used as a topping or ingredient in various dishes. It is often considered a luxurious and high-quality ingredient in seafood dishes. **

Tesla's anti-gravity technology refers to the concept of using electromagnetic fields to counteract the effects of gravity on an object. This technology is based on the idea that by creating a powerful electromagnetic field around an object, it can be lifted or moved without the need for traditional propulsion methods. While there is speculation and theories surrounding Tesla's work on anti-gravity technology, there is no concrete evidence that he successfully developed a working anti-gravity device. **

You can buy fresh salmon at the Edeka fresh food counter, which is a popular supermarket chain in Germany. The fresh food counter at Edeka offers a variety of seafood, including fresh salmon, that is sourced from reputable suppliers. Customers can choose the desired quantity and have the salmon filleted or portioned according to their preferences. The Edeka fresh food counter is known for its high-quality and fresh products, making it a convenient option for purchasing fresh salmon. **