In thermodynamics, deposition is a phase transition in which gases are directly transformed to solids without converting to liquids first.

For example, watervapour is directly changed to ice without first becoming to liquid water. In this process, heat is released making the process exothermic process.

Economic growth is measured by the percentage of gross domestic product. GDP refers to the total value of goods and services produced in the country.

Exercise frequency refers to number of times you exercise per week.

The nervous system of the human brain consists of the central nervous system which has brain and the spinal cord and the peripheral nervous system which has perpheral, cranary, spinal nerves.

 Protein cantaining foods are the major source of dietary sulfur. Foods like eggs are rich in sulfur content.