Yes, the cactus is a desert plant. Cacti are well adapted to survive in arid environments, with their ability to store water in their thick, fleshy stems and their reduced surface area to minimize water loss. They are commonly found in desert regions of North and South America, as well as in other arid regions around the world. Cacti have evolved to thrive in harsh desert conditions, making them a quintessential desert plant. **

Desert cacti are adapted to survive in arid conditions and do not require frequent watering. It is recommended to water a desert cactus only when the top inch of the soil is completely dry. This typically translates to watering every 2-4 weeks, depending on the specific conditions of your home environment. Overwatering can lead to root rot, so it's important to allow the soil to dry out between waterings. **

Cacti shoot out spines, which are modified leaves that help protect the plant from predators and reduce water loss by providing shade. These spines come in various shapes and sizes depending on the species of cactus, and they can be sharp or barbed to deter animals from feeding on the plant. Additionally, some cacti also produce flowers that shoot out from the plant, attracting pollinators such as bees and birds. **

Not every cactus can produce a cactus flower. While many cacti do produce beautiful flowers, some species may not flower at all or may only produce flowers under specific conditions. Factors such as the age of the cactus, its health, and the environment it is grown in can all affect its ability to produce flowers. Additionally, some cacti may only flower under certain seasonal or climatic conditions. **

A prime lens with a focal length between 35mm and 50mm is typically considered suitable for street photography. These lenses offer a natural field of view that closely resembles what the human eye sees, making them great for capturing candid moments in urban environments. Additionally, prime lenses are often compact and lightweight, which is ideal for street photographers who need to move quickly and discreetly. Overall, a 35mm or 50mm prime lens is a popular choice among street photographers for its versatility and ability to capture authentic moments. **

A macro lens is typically the best choice for product photography. Macro lenses are designed to capture small subjects with great detail and clarity, making them ideal for capturing the intricate details of products. They also have a close focusing distance, allowing you to get up close to the product for detailed shots. Additionally, a lens with a focal length between 50mm and 100mm is recommended for product photography as it provides a natural perspective and minimizes distortion. **

It ultimately depends on personal preference and what one is looking for in a landscape. Deserts are known for their extreme heat, vast sand dunes, and unique plant and animal life adapted to the harsh conditions. On the other hand, the Arctic offers a starkly different environment with freezing temperatures, icy landscapes, and a chance to witness the beauty of the northern lights. Both environments have their own appeal and offer unique experiences for those willing to explore them. **

The Namib Desert is considered the oldest desert on Earth because it has been arid for at least 55 million years. Its age can be attributed to its location along the southwestern coast of Africa, where the cold Benguela Current creates a stable high-pressure system that prevents moisture from entering the region. Additionally, the desert's unique geological history, including the uplifting of the land and the formation of sand dunes, has contributed to its arid conditions over millions of years. These factors have combined to make the Namib Desert one of the most ancient and inhospitable environments on the planet. **