Unripe olives are not necessarily poisonous, but they are extremely bitter and contain a compound called oleuropein, which can be toxic in large quantities. Consuming unripe olives can cause stomach upset and digestive issues. However, with proper processing and curing, the bitterness and toxicity of unripe olives can be removed, making them safe and enjoyable to eat. It is important to only consume olives that have been properly cured and prepared for consumption. **

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. **

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. **

Yes, Pla is poisonous. Pla is a type of fish that is commonly found in Southeast Asia, and certain species of Pla can be toxic if not prepared or cooked properly. It is important to ensure that Pla is sourced from a reputable supplier and cooked thoroughly to avoid any potential health risks. **

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. **

Yes, nutmeg can be poisonous if consumed in large amounts. Ingesting high doses of nutmeg can cause symptoms such as hallucinations, nausea, dizziness, and even seizures. It is important to use nutmeg in moderation as a spice in cooking and baking, rather than consuming it in large quantities for recreational purposes. **

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. **

No, he is not poisonous. He may have markings or colors that mimic those of a poisonous animal to deter predators, but he himself is not harmful to humans. It is important to remember that not all brightly colored or patterned animals are poisonous. **