Answer:clear mucus
explanation: straight from chapter 24 asepsis and infection control
Https://link.springer.com/chapter/10.1007/978-94-011-2010-4_141
The object that is the central component of a geographic information system is: C. Computer
A geographic information system is the device that is used to track and monitor the positions of objects on the globe.
This makes use of location services and other important hardware and software data to make accurate analysis.
The most important component of a GIS is the data which it collects, and the major means of collecting this data is through the use of computers.
Some of the components of the geographic information system is:
- Hardware
- Software
- People
- User segment
- Data, etc
Therefore, the correct answer is option C
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brainly.com/question/17563204
Answer:
Statement that is true about electromagnetic and mechanical waves is:
Option B: Mechanical waves must travel through a medium, but electromagnetic waves do not require a medium to travel.
Explanation:
'Electromagnetic' waves do not need any medium to travel whereas 'mechanical waves' need a medium or matter for transmission. Electromagnetic waves are produced by the 'vibrations' of the charged particles. They can even travel in vacuum.
On the contrary, mechanical waves are caused by the 'wave amplitude'. Mechanical wave can travel in solid, liquid and gas and are considered to be periodic disturbance.
Thus, Option B is the most statement apt explaining the difference between electromagnetic and mechanical waves.
