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Wood first appeared in plants called progymnosperms.
Endocarditis. The human heart has been sectioned to reveal the left ventricle and origin of the aort
People whose behaviors violate norms are often called mentally ill. “Why else would they do such ...
Children with disabilities used to be sent to special schools. In a process called mainstreaming or ...
Detonation is a secondary ignition of the air–fuel mixture. It is also called spark knock or ...
The upper intake manifold, often called a plenum, attaches to the lower intake manifold.