### location | source:

Radiation source
* are useful tools in clinical applications, as well as biomedical investigations.
* can be dangerous if mishandled.
* occur naturally throughout the galaxy.

Radioactive source
* Some radioactive sources emit x-rays at accurately known wavelengths.
* lose their energy over time.

Renewable source
* Most renewable sources are renewed by the sun, just as plants are.
* Some renewable sources produce electricity.
* account for only about one tenth of U.S. energy.
* are geothermal, wood, waste, wind, and solar.
* can contribute energy with little or no carbon emissions.
* make contributions
  - significant contributions

### location | source:

Secondary source
* Some secondary sources create heat.
  * They may need to be interpreted by an expert in the field. Secondary sources are surveys and interpretations by experts in the particular field. They are not suitable for references in scientific topics because their reliability is open to question.
* are books and articles written after the fact by scholars
  - findings of someone who has investigated the primary sources
  - historical materials written by historians or biographers after the fact
  - interpretations of primary sources
* are materials prepared later by people who studied the primary sources
  - produced by people in a later period
  - ones that interpret primary sources or are otherwise a step removed
  - reports, findings, or summaries of other researchers on a topic
  - the accounts written by historians
  - things such as legal encyclopedias or treatises on various topics
  - works produced from the study and evaluation of primary sources
* are works that are based on primary sources
  - interpret or analyze an historical event or phenomenon
  - written by historians based on their study of primary sources
* provide information.

Several source
* believe that most world religions have some foundation in sound current teachings.
* contribute to emissions of VOCs.
* provide overviews.
* report that opossums are great predators of roof rats.

Stationary source
* Some stationary sources have to reduce sulfur dioxide emissions.
* is concerned with the emissions from facilities or industrial sources.

Voltage source
* Most voltage sources have power.
* occurs where the electricity is produced and made.
* provide power.

Water source
* All water sources contain salts such as calcium, magnesium and others.
* are rivers, streams and farm storage dams
  - strong attractants and good locations to see wildlife and signs of wildlife
  - the key to making good use of pastures
* belong to castas, but normally each water hole is occupied by only one lineage.
* can be either on the surface or below ground.
* differ on the amount of peat, granite and heather they contain.

Whistleblower
* are conscientious and courageous workers who are of great benefit to any society
  - employees on trains who warn people to get off the tracks
  - films
* can identify corporate or government abuse while reducing their risk of detection.
* tend to be hardworking and conscientious employees who believe that the system works.

### location:

Territory
* Most territory is occupied by mammals
  - placental mammals
* Some territory is occupied by wolves.
* Territories are inherited by females
  - of two kinds, breeding and nonbreeding
  - belong to nationalities who have managerial rights
  - exist only when and where females are present
* consists of plants.
* contains resources
* covers areas.
* covers large areas
  - enough areas
* enhances an animal's prestige and improves chances for survival.
* has best resources
  - features
  - topographic features
* is areas.
* life and death matter among females, however.
* offers protection.
* plays a big role in survival and species fight in order to gain more territorial space
  - an important role in tribal views of spiritual warfare
* provides food.