Answer:
There are four main types of chromatography. These are Liquid Chromatography, Gas Chromatography, Thin-Layer Chromatography and Paper Chromatography. Liquid Chromatography is used in the world to test water samples to look for pollution in lakes and rivers.
Discrete becuase it isn't in the form Y=MX+B
Answer:
Film criticism is the analysis and evaluation of films and the film medium. The concept is often used interchangeably with that of film reviews. A film review implies a recommendation aimed at consumers, however not all film criticism takes the form of reviews.
Explanation:
The following are the answers:
12. I once asked Red Cloud if he could recall having ever been afraid, and in reply he told me this story. He was about sixteen years old and had already been once or twice upon the warpath, when one fall his people were hunting in the Big Horn country, where they might expect trouble at any moment with the hostile Crows or Shoshones.
13. Red Cloud had followed a single buffalo bull into the Bad Lands and was out of sight and hearing of his companions. When he had brought down his game, he noted carefully every feature of his surroundings so that he might at once detect anything unusual, and tied his horse with a long lariat to the horn of the dead bison, while skinning and cutting up the meat so as to pack it to camp.
14. Every few minutes he paused in his work to scrutinize the landscape, for he had a feeling that danger was not far off.
