Question

Let's look at some facts. Electricity travels through a copper wire at a speed very close to that
of light in vacuum. But the average speed of an individual electron is much much slower, around
80 centimetres an hour. So how does a fan start rotating the moment you press the switch?​

Answer 1

Basically, a cell consists of three parts: the cell membrane, the nucleus, and between the two, the cytoplasm. ... Tissue is a group of cells that have similar structure and that function together as a unit. Primary types of body tissues include epithelial, connective, muscular, and nervous tissues...................