Answer:
ITS AAAA
Explanation:
Explanation:
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B) tissues
C)organ systems
D)organisms
Answer:
B tissues
A tissue is a group of cells, in close proximity, organized to perform one or more specific functions.
Electromagnetic spectrum is used in electromagnetic technology in making of high-speed trains ,metal detectors,etc.
The electromagnetic spectrum consists of radiation which consists of waves made up of electromagnetic field which are capable of propogating through space and carry the radiant electromagnetic energy.
The radiation are composed of electromagnetic waves which are synchronized oscillations of electric and magnetic fields . They are created due to change which is periodic in electric as well as magnetic fields.
In vacuum ,all the electromagnetic waves travel at the same speed that is with the speed of air.The waves are arranged in decreasing order of energy and decreasing order of wavelength.Gamma rays have the highest energy while radio waves have the lowest energy.
Learn more about electromagnetic spectrum,here:
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Answer:
metal detectors, high-speed trains, electric generators.
Explanation: