Jawaban:

a.dictionaries are used to provide detailed information about the contents of a dataset or database, such as the names of measured variables, their data types or formats, and text descriptions

b.to get to places faster

c.to prevent dust or other small airborne particle or pathogens to be inhaled through the nose or mouth

d.to shield a person's body from being wet in the rain or to prevent overheating in the summer

e.to see the reflection of a person or object that is in front of it. A mirror reflects light waves to the observer, preserving the wave's curvature and divergence, to form an image when focused through the lens of the eye

Penjelasan:

maaf kalo ada yang salah