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2019-10-08	bishoy	90	Check this topic
2019-10-08	bishoy	83	Check this topic
2018-09-01	mehrnazsadr	86	Check this topic

Topic title: InsectsAn insect belongs to the class of invertebrates called arthropods. Regardless of size, all adult insects have a similar body structure, which includes a head, a thorax, and an abdomen. The head contains not only the brain and mouth but also the sen

Topic category: Q4