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Political Science

An element is soft and can be cut easily with a knife. It is very reactive and cannot be kept open in the air. It reacts vigorously with water. This element is most likely to be: A. magnesium B. potassium C. phosphorous D. aluminium​

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Blood is the unique fluid connective tissue present in our body and it plays a significant role in transporting a wide variety of substances to different parts of the body. The main components of blood include Red blood cells, White blood cells, blood platelets and plasma. Blood is the main component of the human circulatory system, fulfilling many functions such as:

Regulating body temperature.

Regulates the water content of the cells.

Protects against excess blood loss through clotting.

Regulates the pH by interacting with acids and ba

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