Fashion designers are individuals who create and design clothing, accessories, and footwear. They are responsible for conceptualizing and creating new styles and trends, often working with fabrics, colors, and patterns to bring their designs to life. Models, on the other hand, are individuals who showcase and promote the designs created by fashion designers. They work with photographers, stylists, and designers to present the latest fashion collections through runway shows, photo shoots, and other promotional events. Both fashion designers and models play a crucial role in the fashion industry, working together to bring innovative and stylish designs to the public. **

Rowan berries are generally considered non-poisonous for humans when consumed in small quantities. However, they can cause mild stomach upset or diarrhea if eaten in large amounts. It is important to note that some people may have allergies or sensitivities to certain compounds in rowan berries, so it is best to consume them in moderation. Additionally, rowan berries are toxic to some animals, so it is important to keep them away from pets. **

Models often do not smile on the catwalk because the serious and neutral expression allows the audience to focus on the clothes being showcased, rather than being distracted by the model's facial expressions. Additionally, a neutral expression can convey a sense of confidence and professionalism, which is important in the fashion industry. Smiling can also create lines and wrinkles on the face, which can detract from the overall aesthetic of the fashion presentation. Finally, the serious expression is often seen as a way to maintain a sense of mystery and allure, adding to the overall atmosphere of the fashion show. **

Yes, there are certain varieties of apples that contain toxic compounds in their seeds, such as cyanide. However, the amount of cyanide in apple seeds is typically very small and would need to be consumed in large quantities to be harmful. As for trees with poisonous apples, there are no known species of trees that naturally produce poisonous apples. **

Something is considered poisonous if it contains substances that can cause harm or death when ingested, inhaled, or touched. Poisonous substances can range from chemicals and plants to certain animals and foods. It is important to be cautious and knowledgeable about potential poisons in order to prevent accidental exposure and harm. **

Ash itself is not inherently poisonous, as it is primarily composed of minerals and other non-toxic substances. However, ash from certain materials or sources can be harmful if ingested or inhaled. For example, ash from burned materials like treated wood, plastics, or chemicals can contain toxic substances that may be harmful to humans and animals. It is important to be cautious when dealing with ash and to avoid ingesting or inhaling it, especially if its source is unknown. **

Peanuts are not inherently poisonous to humans. However, some people may have severe allergic reactions to peanuts, which can be life-threatening. It is important for individuals with peanut allergies to avoid peanuts and products containing peanuts to prevent an allergic reaction. Overall, peanuts are safe for the majority of the population to consume. **

Lava itself is not poisonous because it is molten rock. However, the gases released by lava, such as sulfur dioxide and carbon dioxide, can be toxic if inhaled in large quantities. Additionally, contact with lava can cause severe burns and injuries due to its extremely high temperature. It is important to exercise caution and avoid direct contact with lava flows to prevent any harm. **