I recommend the Marmot PreCip Eco Full Zip Pants as waterproof overtrousers. They are made with Marmot's NanoPro Eco fabric, which is not only waterproof but also breathable, making them comfortable to wear during outdoor activities. The full zip feature allows for easy on and off over other layers, and the adjustable waist and ankle cuffs provide a customizable fit. Additionally, they are made with recycled materials, making them an environmentally friendly choice. **

As an AI language model, I don't have personal preferences. However, I can provide some information to help you make a decision. Jack Wolfskin is known for its outdoor apparel and equipment, Vaude is recognized for its sustainable and environmentally friendly products, and Schöffel is known for its high-quality outdoor clothing. Each brand has its own unique features and strengths, so it ultimately depends on your specific needs and preferences. **

Yes, you can practice City Country River as a fun and engaging game to test your knowledge of cities, countries, and rivers. It is a great way to challenge yourself and improve your geographical knowledge while having fun with friends or family. You can play it in person or even online with others to see who can come up with the most unique and creative answers. It's a versatile game that can be adapted to different themes or categories to keep it interesting and educational. **

When learning Japanese, it is generally recommended to start with vocabulary before diving into grammar. Building a strong vocabulary base will help you understand and communicate better in the language. Once you have a good grasp of basic vocabulary, you can then focus on learning grammar rules to structure your sentences correctly. Ultimately, a balance of both vocabulary and grammar is essential for mastering Japanese. **

The distribution situation of the rock ptarmigan can be assigned to allopatric speciation. Allopatric speciation occurs when a population is geographically isolated from others of its species, leading to reproductive isolation and the eventual evolution of distinct species. In the case of the rock ptarmigan, their distribution across different mountain ranges has likely led to isolation and the development of unique characteristics in each population, contributing to speciation. **

The distribution situation of the alpine ptarmigan can be assigned to allopatric speciation. This is because the alpine ptarmigan populations are isolated in different mountain ranges, leading to genetic divergence and the formation of distinct species. The geographic isolation of these populations prevents gene flow between them, leading to the evolution of unique traits and adaptations in each population. This process ultimately results in the formation of new species. **

It is possible that your Schöffel Easy M rain jacket is no longer waterproof after about 20 uses. Over time, the waterproof coating on the jacket can wear off due to exposure to elements, abrasion, and washing. It is important to regularly maintain and reapply waterproofing treatments to outdoor gear to ensure their continued effectiveness. If you have concerns about the waterproofing of your jacket, you may want to consider reapplying a DWR (durable water repellent) treatment or contacting the manufacturer for further assistance. **

The country of China and the Chinese language have been around longer compared to the country of Japan and the Japanese language. China has a recorded history that dates back thousands of years, with the Chinese language evolving over centuries. In contrast, Japan's recorded history and language development began later, with influences from China. **