Oxygen is an electronic which can be defined as pure substance..we breath in oxygen and breath out carbon dioxide
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The answer is no , lemurs are not bipedal ,in other words they dont use two legs for walking , and no, they don't have language like ours.
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Compound microscope is commonly used in the schools and colleges. It has two lenses, the objective lens and the ocular lens. It provides a magnification of 1500X. Eyepiece lens is of 10X or 15X power. It is used to observe bacterial, protozoa, various cells, etc.
Dissecting Microscope It is also called stereo microscope. Its magnification power is less than the other microscope. It gives a 3 dimensional picture. Due to the low magnifying power they are used to observe little bigger objects than other microscopes. They are used in the surgeries, dissection, forensic science etc.
