Question

reasons for migration I. Choose the correct answer. c) artificial 1. Calamities like flood, cyclone, earthquake etc. are a) economical b) natural areas. c) forest 2. There is a rapid migration from rural to a) urban b) hilly areas 3. Poverty, informal economy, poor planning leads to the formation of in urban regions. a) commercial b) slum c) residential​

Answer 1

Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. ... Cells have many parts, each with a different function. Some of these parts, called organelles, are specialized structures that perform certain tasks within the cell.