The best answer is C. Tailings are dangerous because they can release toxic elements into the groundwater or surface water. Tailings are the waste materials after the process of extracting the valuable part in a mine. These waste materials have a big potential to destroy the environment because they can release toxic substances which include arsenic and mercury. These tailings can contaminate water bodies.
PLEASE TRANSLET IT IN ENGLISH BECAUSE I CANT UNDERSTAND IT
Answer:
there are three types of memory: sensory memory, short-term memory, and long-term memory. ... But, our minds also possess sensory and short-term memory. Not all memories are the same; the different types function in different ways.Long-term memory is usually divided into two types—explicit and implicit. ... Explicit memory can be further divided into episodic memory (specific events) and semantic memory (knowledge about the world).Photographic memory is a term often used to describe a person who seems able to recall visual information in great detail. Just as a photograph freezes a moment in time, the implication for people thought to have photographic memory is that they can take mental snapshots and then recall these snapshots without error.Scientists are still unsure about this question. Researchers say that animals, non-humans, do not have a true language like humans. However they do communicate with each other through sounds and gestures. ... But they slowly learn the words of the language and use this as form of communication.
