Refer to Infographic 1

question 18

Multiple Choice

Refer to Infographic 1.Why is it that the form of ultraviolet light to reach the surface,UV-B,causes sunburns and skin damage but the most energetic form,UV-C,is of no concern whatsoever?

• A)Water vapor in the air filters all but UV-B.
• B)CFCs in the air filter all but UV-B.
• C)Radiation from the sun is mostly UV-B.
• D)UV-A radiation passes through the atmosphere easily,UV-B is absorbed by the stratospheric ozone layer,and UV-C is absorbed by oxygen (O₂).
• E)NOx reacts with UV-B and UV-C.

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Definitions:

32-Bit Operation

A mode of operation in computing where integers, memory addresses, or other data units are processed in 32-bit chunks.

64-Bit Operation

A computing operation that processes 64 bits of data in a single step, allowing for enhanced performance and the ability to handle more data compared to 32-bit operations.

Continuous Task

A task within a computing or control system that runs indefinitely, without interruption, until it is explicitly stopped.

Periodic Task

This term refers to a scheduled activity in automation or software systems that repeats at fixed times or intervals to perform specific functions or checks.