Worm infestations are relatively common in outdoor cats, as they are more likely to come into contact with infected soil, other animals, and contaminated food or water. Outdoor cats have a higher risk of contracting worms such as roundworms, hookworms, and tapeworms compared to indoor cats. It is important for outdoor cats to receive regular deworming treatment and for their owners to monitor their health for any signs of worm infestations. Regular veterinary check-ups and preventive measures can help reduce the risk of worm infestations in outdoor cats. **

The common ivy, also known as Hedera helix, is common because it is a highly adaptable and resilient plant that can thrive in a wide range of environmental conditions. It is also a vigorous grower and can quickly spread and cover large areas, making it a popular choice for ground cover and landscaping. Additionally, its ability to climb and cling to various surfaces, along with its attractive evergreen foliage, has made it a popular choice for both ornamental and practical purposes in gardens and landscapes. **

The common wolf is referred to as "common" because it is one of the most widespread and abundant species of wolves in the world. They can be found in a variety of habitats across North America, Europe, Asia, and Africa. Their adaptability and ability to thrive in different environments have contributed to their widespread distribution and common status. **

It is not uncommon for people to forget about optional equipment when buying a new car. With the excitement of choosing the make, model, and color of the car, optional equipment can easily slip one's mind. Additionally, salespeople may not always bring up optional equipment unless prompted, which can contribute to the oversight. It's important for buyers to carefully consider all available options and their potential benefits before finalizing their purchase. **

Common good refers to the overall well-being and benefit of society as a whole, focusing on the collective welfare and interests of all individuals. On the other hand, common will refers to the shared desires, intentions, or decisions of a group of people, reflecting their unified purpose or goal. While common good emphasizes the outcome or result that benefits everyone, common will emphasizes the shared intention or will of a group to achieve a particular objective. **

Common rue (Ruta graveolens) is not typically considered edible due to its bitter taste and potential toxicity. Ingesting large amounts of common rue can cause stomach irritation, vomiting, and other adverse effects. However, in some cultures, small amounts of common rue leaves are used as a flavoring agent in dishes, but caution should be exercised due to its potential toxicity. It is always best to consult with a healthcare professional or a botanist before consuming any plant for culinary purposes. **

Yes, it is common here. **

The commonality of the situation depends on the specific context being referred to. Without more information, it is difficult to determine whether the situation is common or not. It would be helpful to provide more details or examples in order to assess the prevalence of the situation. **