What are types of emergency services?

What are types of emergency services? There are three primary emergency services that can be summoned directly by the public: Police — law enforcement, criminal investigation, and maintenance of public order. Fire and Rescue Services — firefighting, hazardous materials response, EMS response and technical rescue. What is task of fire and emergency services? The fire […]

How do you know if your cat is tortoiseshell?

How do you know if your cat is tortoiseshell? Tortoiseshell cats have particolored coats with patches of various shades of red and black, and sometimes white. The size of the patches can vary from a fine speckled pattern to large areas of color. Typically, the more white a cat has, the more solid the patches […]

What is cryptography used for?

What is cryptography used for? Cryptography provides for secure communication in the presence of malicious third-parties—known as adversaries. Encryption uses an algorithm and a key to transform an input (i.e., plaintext) into an encrypted output (i.e., ciphertext). What is cryptography why and where do we use it? Cryptography is used to secure all transmitted information […]

When did humans first build boats?

When did humans first build boats? According to archaeological findings, dugouts were the earliest boats used by travelers as far back as the Neolithic Stone Age—about 8,000 years ago! These dugouts resembled what we now know as canoes, and were made with the hollowed out trunk of a tree. Who invented ships and boats? Today, […]

Can animals be mentally handicapped?

Can animals be mentally handicapped? There is growing evidence that many animals can suffer from mental health disorders similar to those seen in humans. These unfortunate animals could help us understand how and why humans become mentally ill, and why these debilitating disorders ever evolved at all. How can you tell if a dog is […]

Can fleas live in my hair?

Can fleas live in my hair? Fleas do not live on humans because they lack substantial hair like animals, and it’s very difficult to reproduce without the protection of fur or feathers. One lab study observed that a flea would have to feed on a human for 12 straight hours to have the chance to […]

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