Without a specific image or description of the diatoms in question, it is difficult to determine if they are "diatoms 2." Diatoms are a type of algae that are characterized by their unique cell walls made of silica. To accurately identify diatoms, it is important to examine their physical characteristics under a microscope, such as their shape, size, and structure. Additionally, diatoms can be further classified into different species, so it is important to have detailed information about the specific diatoms in question in order to accurately identify them. **

Diatoms are microscopic algae that play a crucial role in the marine food web and carbon cycle. However, excessive growth of diatoms, known as a bloom, can lead to harmful algal blooms (HABs). These blooms can deplete oxygen in the water, leading to fish kills and other negative impacts on marine life. Additionally, some species of diatoms produce toxins that can harm marine animals and humans. Therefore, the problem with diatoms lies in their potential to cause harmful algal blooms and produce toxins that can negatively impact marine ecosystems and human health. **

Tetra Algumin is primarily designed to combat green water algae in aquariums, not diatoms. Diatoms are a type of brown algae that are best treated by addressing the underlying causes such as excess nutrients and inadequate water circulation. While Tetra Algumin may have some impact on diatoms due to its ability to reduce organic nutrients, it is not specifically formulated to target diatoms. It is important to address the root causes of diatom growth in order to effectively control and prevent their recurrence. **

Diatoms are a type of algae that play a crucial role in the carbon cycle by absorbing carbon dioxide and producing oxygen through photosynthesis. In 1902, the Nobel Prize in Chemistry was awarded to the German scientist Eduard Buchner for his work on fermentation, which involved studying the enzymes involved in the process. Enzymes are essential for various biological processes, including those in diatoms that enable them to photosynthesize and contribute to the global carbon cycle. Thus, diatoms indirectly relate to the Nobel Prize through the study of enzymes and their role in biological processes. **

A good option for downhill mountain biking that is affordable, compact, lightweight, and portable is a folding mountain bike. These bikes are designed to be easily folded and carried, making them convenient for transportation and storage. They are also typically more affordable than traditional mountain bikes and are lightweight, making them easier to handle on downhill trails. Overall, a folding mountain bike is a great choice for those looking for a practical and versatile option for downhill biking. **

The adidas Ultraboost 30 is designed to be both waterproof and durable. The upper material is made of Primeblue, which is a high-performance recycled material that provides water resistance. Additionally, the shoe features a durable rubber outsole that provides traction and protection from wear and tear. Overall, the Ultraboost 30 is built to withstand various weather conditions and provide long-lasting performance. **

Yes, the Logitech UE Boom is a portable speaker that is waterproof. It is designed to be durable and able to withstand exposure to water, making it a great option for outdoor activities such as pool parties or beach trips. The waterproof feature allows users to enjoy their music without worrying about damage from water. **

No, CR123A batteries are typically not rechargeable. They are usually single-use lithium batteries designed for high-drain devices such as cameras, flashlights, and medical devices. Rechargeable alternatives to CR123A batteries include lithium-ion batteries, which can be recharged multiple times. **