T-shirts with numbers on the back are commonly referred to as "jerseys" or "sports jerseys." These types of T-shirts are often worn by athletes during games to easily identify players on the field or court. They are also popular among fans who want to show support for their favorite sports teams or players. **

Tristan the T-Rex is scheduled to return to Berlin in 2022. The exact date of his return has not been announced yet, but visitors can look forward to seeing him at the Museum für Naturkunde in Berlin next year. Keep an eye on the museum's website and social media for updates on Tristan's return. **

Yes, the T-Rex did have serious competitors during its time, such as the Triceratops, Ankylosaurus, and Spinosaurus. These dinosaurs were also apex predators and would have competed with the T-Rex for food and territory. The Triceratops, for example, had a large bony frill and horns that it used for defense, making it a formidable opponent for the T-Rex. The presence of these other powerful predators would have contributed to a complex and competitive ecosystem during the time of the T-Rex. **

I'm sorry, but I don't have access to specific payment information. If you have a specific transaction in mind, I recommend reaching out to the credit card company or the merchant to inquire about any chargebacks. They will be able to provide you with the most accurate and up-to-date information regarding the status of a payment. **

The T-effect is a concept related to the field of economics and finance. Experts in these fields, such as economists, financial analysts, and researchers, are likely to have information about the T-effect. Additionally, academic journals, textbooks, and online resources focusing on economics and finance may also provide information on the T-effect. It is important to consult reliable sources and experts in the field to gain a comprehensive understanding of the T-effect and its implications. **

When you're not wearing a T-shirt, your back is more exposed to the elements and other potential irritants. This exposure can lead to dryness, irritation, or even allergic reactions, all of which can cause itching. Additionally, without the barrier of a T-shirt, your back may be more prone to friction from things like furniture or sweat, which can also lead to itching. It's important to keep your back clean and moisturized to help prevent itching when not wearing a T-shirt. **

The holes in the back of a t-shirt are typically there for ventilation and to provide a more comfortable fit. These holes, often called "gussets," allow air to flow through the shirt, keeping the wearer cool and reducing sweat buildup. Additionally, they can also provide more flexibility and movement in the shirt, making it easier to move and stretch while wearing it. Overall, the holes in the back of a t-shirt serve a functional purpose in enhancing the comfort and wearability of the garment. **

Yes, I am familiar with T-shirts that have good slogans on the front and back. These types of T-shirts are popular for making a statement or expressing a particular message or belief. They can be found in various styles and designs, and often serve as a form of self-expression or a way to support a cause or movement. Many people enjoy wearing T-shirts with clever or meaningful slogans to showcase their personality or values. **