Answer:
Mechanical
Explanation:
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Science is limited to only providing answers that are observable, testable and repeatable. Most scientific concepts such as evolution or creation are based on faith.
Answer: Tin(4+)
Explanation:
It is actually a monoatomic tetracation and an elemental tin.
Also a low-molecular-weight heparin with anticoagulant properties that is used in the prevention and treatment of VENOUS THROMBOEMBOLISM, and to prevent clotting during EXTRACORPOREAL CIRCULATION.