To turn off automatic backup on Apple devices, you can go to the Settings app and tap on your Apple ID at the top. Then, tap on iCloud and select iCloud Backup. From there, you can toggle off the iCloud Backup option to disable automatic backups. Keep in mind that turning off automatic backup means your device won't be backed up to iCloud unless you do it manually. **

It is generally recommended to both unplug your devices and turn off the power. Unplugging the devices helps to prevent any standby power consumption, also known as vampire power, which can add up over time. Turning off the power at the source provides an extra layer of safety, especially for devices that may still draw a small amount of power even when unplugged. This can also help to protect your devices from power surges or electrical issues. **

Your car radio may not turn off immediately when you turn off the engine because it is designed to continue operating until you open the car door. This feature allows you to continue listening to music or finish a phone call without interruption. It is a built-in delay mechanism to provide convenience and ensure you don't lose power abruptly while using the radio. If the radio continues to stay on for an extended period after turning off the engine, there may be an issue with the electrical system that needs to be checked by a professional. **

To turn off the monitor when you turn off the PC, you can simply press the power button on the monitor itself. Alternatively, you can go into the display settings on your computer and set the monitor to turn off automatically when the computer is shut down. This can usually be done by adjusting the power settings in the control panel or system preferences. By doing this, the monitor will power down at the same time as the computer, saving energy and extending the life of the monitor. **

This can vary greatly depending on personal preferences. Some people may find it a turn-off, as they prefer more traditional or conservative styles of clothing. Others may find it attractive and confident, appreciating the individuality and boldness of the choice. Ultimately, it comes down to personal taste and what each person finds appealing. **

I'm sorry, but as an AI language model, I do not have the capability to physically observe or interact with the computer. Therefore, I am unable to determine whether the computer turned off. You may need to check the computer yourself to see if it has turned off. **

No, airplanes cannot turn off contrails. Contrails are formed when hot, humid air from the airplane's engines mixes with the cold air at high altitudes, causing the water vapor to condense and form visible trails. While there are technologies being developed to reduce the formation of contrails, such as modifying engine designs and flight paths, it is not currently possible to completely turn off contrails. **

Veganism is not inherently a turn-off, as it is a personal choice that individuals make for various reasons such as ethical, environmental, or health concerns. However, some people may find it challenging to accommodate a vegan lifestyle if they are not familiar with it or if they have different dietary preferences. It's important for individuals to communicate openly and respectfully about their dietary choices in relationships, and for both parties to be understanding and supportive of each other's choices. Ultimately, whether veganism is a turn-off or not depends on the individual's perspective and their willingness to be open-minded and accommodating. **