The number of fish that can be stocked in an 80cm aquarium depends on the size and species of the fish. As a general guideline, a good rule of thumb is to stock one inch of fish per gallon of water. So, for an 80cm (approximately 30 gallon) aquarium, you could stock around 30 inches of fish. However, it's important to research the specific needs and behaviors of the fish you want to keep to ensure they have enough space and a suitable environment. Overstocking can lead to poor water quality and stress for the fish. **

USB devices such as flash drives, external hard drives, and memory cards are designed to store data. These devices use USB connections to transfer and store files, documents, photos, videos, and other types of data. They are commonly used for backing up important information, transferring files between devices, and expanding the storage capacity of computers and other electronic devices. **

Yes, USB devices are sometimes ejected from a computer. This can happen when the user manually ejects the device through the operating system's interface, or when the computer automatically ejects the device due to a power-saving feature or if the device is not being used. Ejecting a USB device is important to ensure that all data is safely written to the device before it is physically removed, which helps prevent data corruption or loss. **

The white worktop table tops are 3 meters long and 80 centimeters wide. This makes them quite large and spacious, providing ample surface area for various activities such as food preparation, crafting, or working. The dimensions make them suitable for accommodating multiple people or large projects. **

The cost of good hair extensions in 80cm or 100cm can vary depending on the quality of the hair and the method of application. Generally, longer extensions tend to be more expensive due to the amount of hair needed and the additional labor involved in the application process. High-quality extensions can range from $200 to $600 or more, while lower quality options may be available for less. It's important to consider the cost of maintenance and upkeep when investing in longer extensions, as they may require more frequent care and replacement. **

You can connect USB accessories to your iPhone using a Lightning to USB adapter. This adapter allows you to plug in a USB accessory, such as a camera, keyboard, or audio interface, into your iPhone. Simply plug the USB accessory into the adapter, and then connect the adapter to your iPhone's Lightning port. This will allow you to use the USB accessory with your iPhone. Keep in mind that not all USB accessories may be compatible with the iPhone, so it's important to check for compatibility before purchasing an adapter. **

The number of USB devices that are too many depends on the capacity and capabilities of the computer or device being used. Generally, if a computer has limited USB ports, having too many devices connected can lead to performance issues and potential overload of the USB controller. Additionally, having too many USB devices connected can also lead to power consumption issues, especially if the devices are drawing power from the computer. It's important to consider the limitations of the computer and the power requirements of the USB devices when determining how many is too many. **

Yes, USB devices are backward and forward compatible. This means that newer USB devices can work with older USB ports, and older USB devices can work with newer USB ports. For example, a USB 3.0 device can be used with a USB 2.0 port, and a USB 2.0 device can be used with a USB 3.0 port. This compatibility allows for flexibility and ease of use when connecting different USB devices to various ports. **