<span>1. The speed of sound in gas is directly proportional to sqrt of Temperature. Hence The speed of sound through a gas will increase if the temperature of the gas is increased.
2. When white light passes through rain drops, it breaks into different colors due to refraction. Hence A rainbow is formed because when white light passes through raindrops, the white light is refracted by the raindrops</span>
Cells get raw materials- including water, oxygen, minerals and other nutrients from the foods you eat. They let in raw materials through the cell membrane: the thin, elastic structure that forms the border of each cell.
