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Dog

Dog 1. (Science: zoology) a quadruped of the genus Canis, especially. The domestic dog (c. Familiaris). The dog is... Read More

Contamination definition and example

Contamination

Contamination Definition Contamination, sometimes interchanged with pollution, is the existence of live things or... Read More

Photosynthesis and respiration

Plant Metabolism

Introduction Plants are responsible for incredible feats of molecular transformation. The processes are always being... Read More