### productivity:

Agricultural productivity
* depends on the organisms that inhabit the soil.
* is at all time highs in the United States and in the world
  - based solely on the thin layer of topsoil in which crops are produced
  - likely to vary across regions
* is threatened by erosion and declines in soil fertility
  - increasing erosion and declining fertility of soils
* measures the difference between output growth and input growth rates.
* stays ahead of the market to consume farm commodities.

Economic productivity
* is the foundation supporting American world leadership
  - heartbeat of any community
  - key to a high standard of living
* rises with the density of settlement and the size of cities.

High productivity
* depends on the high quality of materials.
* is an important aspect of agricultural sustainability in the humid tropics.

Higher productivity
* allows businesses to increase both wages and profits without raising prices
  - firms to meet rising demand with the same number of workers
* is critical in keeping inflation in check.
* means employees can earn more without raising the price of products
  - less pressure to put more undisturbed ecosystems into production
  - that firms generate more revenue per worker without additional cost

Labor productivity
* gives the quantity of cheese a cheeser makes in an hour of work
  - wine a winer makes in an hour of work
* grows faster when more output is produced in fewer hours.
* is increased through shorter process cycles.
* is measured as output per hour
  - by output per hour worked
  - output per worker
  - second to no other steel industry worldwide
* tends to decline as the proportion of state shares increases.
* varies from country to country.

Labour productivity
* measure of the total products produced in a certain period.
* reflects the level of fish-raising in ricefields.

### productivity:

Primary productivity
* decreases as depth increases as there is less light and less photo.
* determines the energy budget of an ecosystem.
* has a direct and major influence on fish production.
* is the fixation of carbon using inorganic substrates by autotrophic organisms
  - increase in plant mass over time
  - rate of photosynthesis for the ecosystem during a specified interval
  - vital to marine life
* refers to the amount of new organic material being created
  - total amount of matter made by producers within an ecosystem

### products:

Car radio
* Most car radios use a 'whip' antenna.
* are products
  - radio receivers

Music instrument
* are products.
* has a plural known as orchestra.

### profanity:

Curse
* Some curses also work by the cycle of the full moon.
* are afflictions
  - like young chickens, they always come home to roost
  - profanity
  - spells that are often intended to cause harm to another person
* cause stress, blessings reduce it.
* involve emptying and scattering.
* is profanity

Oath
* are commitment
  - illicit which are made to corroborate human contracts and civil commerce
  - promise
  - vows
* have a long heritage.
* vary in different countries according to different laws, constitutions, and religious beliefs.

Scatology
* is common in British and Japanese sex movies
  - profanity
+ Coprophilia: Human sexuality
  * There are people who make movies involving coprophilia. This is called scatology. Scatology is common in British and Japanese sex movies.

### professional people:

Single adult
* Many single adults are professional people.
* Most single adults have relatives.
* find safety in numbers.
* leave homes.
* live with their parents for mutual support.

### professionals:

Museum curator
* are professionals.
* go into the field to collect from natural sites and from archaeological sites.
* wear clean white gloves when touching objects.