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Animals of Hindustan monkeys called bandar that can be taught to do tricks
Structure of the ovary and uterine (fallopian) tube. Figure illustrates stages of ovum development a
Diphtheria. The bacteria that cause this disease, called Corynebacterium diphtheriae, proliferate in
A passenger train crosses Stony Creek Bridge in the Rocky Mountains in 1878. Railroads were importan
People whose behaviors violate norms are often called mentally ill. “Why else would they do such ...
A resonance tube, called a Helmholtz resonator, is used on the intake duct between the air filter ...