Question

Read “Waste Disposal” and “Rivers, Up Close and Personal” from MCB Theme-3, units-5&6 and answer the questions(A&B) that follow after each text.(to be done in MCB itself)

Please give me this answer
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Answer 1

Answer:

Although some scientists equate humans with all members of the genus Homo, in common usage it generally refers to Homo sapiens, the only extant member. H. sapiens emerged around 300,000 years ago, evolving from Homo erectus and migrating out of Africa, gradually replacing local populations of archaic humans.