Yes, a fuel system cleaner has the potential to attack old seals. The harsh chemicals in some fuel system cleaners can cause deterioration of the seals over time, especially if they are already old and worn. It is important to carefully read the instructions and warnings on the cleaner's packaging and to use it according to the manufacturer's recommendations to minimize the risk of damage to the seals. If the seals are already old and worn, it may be best to consult with a professional mechanic before using a fuel system cleaner. **

Synthetic oil is generally safe for use in motorcycles and should not attack the seals. In fact, synthetic oil is often recommended for its superior lubrication properties and ability to withstand high temperatures. However, it is always best to consult the motorcycle manufacturer's recommendations for the type of oil to use to ensure compatibility with the seals and other components of the motorcycle. **

A properly trained German Shepherd with protection training should not attack a child. Protection training is designed to teach the dog to protect its owner or handler from perceived threats, not to attack indiscriminately. However, it is important to note that any dog, including a German Shepherd, can potentially exhibit aggressive behavior if not properly trained or socialized. It is crucial for owners to provide proper training, socialization, and supervision to ensure the safety of both the dog and those around it. **

Reiner and Berthold, also known as the Armored and Colossal Titans, attacked Attack on Titan because they were members of the Marleyan Warriors sent on a mission to infiltrate the walls and gather information about the people living there. Their ultimate goal was to locate and retrieve the Founding Titan, which they believed was in the possession of Eren Yeager. By attacking the walls and causing chaos, they aimed to create an opportunity to carry out their mission and fulfill their duty to Marley. **

Argentavis, an extinct species of giant bird, is believed to have been a scavenger rather than a predator. There is no evidence to suggest that Argentavis actively hunted or attacked other animals. Its large size and powerful beak were likely adaptations for feeding on carrion rather than for hunting live prey. **

The attack on Marley in Attack on Titan is a coordinated assault by the Paradis Island forces, led by Eren Yeager and the Survey Corps. The attack is a retaliation for Marley's previous aggression and attempts to invade Paradis Island. The Paradis forces use the power of the Founding Titan and other Titan shifters to launch a surprise attack on Marley's military and government, causing widespread destruction and chaos. This attack marks a turning point in the series and sets the stage for a major conflict between the two nations. **

A heart attack occurring during a panic attack is rare. While panic attacks can cause intense physical symptoms such as chest pain, rapid heart rate, and shortness of breath, these symptoms are usually not indicative of a heart attack. However, it is important to seek medical attention if you are experiencing these symptoms to rule out any serious medical conditions. It is always best to consult with a healthcare professional if you have concerns about your heart health. **

Snakes typically do not attack humans unless they feel threatened or cornered. Most snake bites occur when humans accidentally step on or disturb a snake, causing it to defend itself. It is important to give snakes their space and avoid provoking them to reduce the risk of being bitten. **