A posted speed limit of 55 mph means that we can drive at a speed of 55 miles per hour(mph) under good conditions in that area. We cannot that speed limit in that area.
The soil is formed by breaking down of large rock surfaces into pieces due to water, wind and all atmospheric changes by mixing with plants and animal decays. This process is called as weathering.
Transcription is a process of production of mRNA which occurs in the nucleus of the cell. After transcription, translation which occurs in the cytoplasm.
PIN (Postal Index Number) was introduced in INDIA on August 15, 1972. This is the coding system used by postal services of India for different areas. Totally in our country there are 9 divisions, of which 8 are geographical & 9th is reserved to army.