Answer: Language barriers
Explanation: People from different countries can learn English and understand the daily communication needed to function normally. However, when it comes to expressions, slang and phrases that are characteristic of English, as well as any other language, it is necessary to get into the spirit of the language, i.e. to know something more than the language. It implies a way of life, a tradition, a slang that even varies from country to country within the English speaking area. In other words, more time should be spent in a country where English is spoken so that people can start joking in English and understand slang and use it.
The correct answer is true.
Negative staining is often used in diagnostic microscopy and it is the opposite of positive staining where the specimen is stained and background not.
Negative staining is used for the bacteria that are difficult to stain such as Spirilla. It is also used for the study of the morphological shape, size and arrangement of the cells that are too delicate to be heat-fixed.
The answer is gliding. Abduction, rotation (external and internal) and extension all occur in most joints including the ball-and-socket , saddle and condyloid joints. The shoulder joint is a ball-socket joint. Gliding occurs in intercarpal joints of the hands.
In cold weather its rather hard to see because your eyes are constantly wanting to close and in heat you could hallucinate.I hope this helps
B, <span>a police officer who allows select people to enter and leave a crime scene. Please give brainliest.</span>