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  1. Bacteria. Pha. Bacteria (singular: bacterium) are very small organisms. They are prokaryotic microorganisms. Bacterial cells do not have a nucleus, and most have no organelles with membranes around them. Most have a cell wall. They do have DNA, and their biochemistry is basically the same as other living things.

  2. Wikipedia (pronunciation (help·info)) is a free online encyclopedia website in 336 languages of the world. 324 languages are currently active and 12 are closed. People can freely use it, share it, and change it, without having to pay. It is also one of the biggest wiki organizations. People can choose to give money to the Wikimedia Foundation ...

  3. The rock is from Wyoming, USA. The Cainozoic ( Cenozoic) is the current geological era. It began 66 million years ago and continues today. Before it was the Mesozoic . During the Cainozoic the continents moved into their present positions. The climate started warm, but cooling continued steadily. Finally ice ages occurred.

  4. simple.wikipedia.org › wiki › Main_PageWikipedia

    Welcome to. Wikipedia. , the free encyclopedia that anyone can change. This is the front page of the Simple English Wikipedia. Wikipedias are places where people work together to write encyclopedias in different languages. We use Simple English words and grammar here. The Simple English Wikipedia is for everyone, such as children and adults who ...

  5. The pH indicator is a chemical detector for hydronium ions (H 3 O +) or hydrogen ions (H + ). [1] Normally, the indicator causes the colour of the solution to change depending on the pH. Typical indicators are phenolphthalein, methyl orange, methyl red, bromothymol blue, and thymol blue. They each change colour at different points on the pH ...

  6. Xx. Yy. Zz. The Simple English Wiktionary has a definition for: H. H is the eighth (number 8) letter in the English alphabet. The uppercase letter for H is H and the lowercase letter for H is h. The letter’s name is "haitch" ( / ˈheɪtʃ / ), also known as simply "'aitch" ( / ˈeɪtʃ / ).

  7. A wiki is a type of website that lets anyone create and change its pages. The word is sometimes used in Internet slang to mean Wikipedia. W iki is short for WikiWikiWeb. Wikiwiki is a word from the Hawaiian language, meaning "fast" or "speed". [1] [2] Examples of wikis include Wikipedia, Everipedia, Citizendium, Scholarpedia, Conservapedia ...