Answer:
Loneliness
Explanation:
It is logical that an astronaught could be lonely up in space due to the absence of loved ones.
The answer is virtualization
Virtualization is the creation of virtual versions of something
such servers, storage devices, operating systems, that allows one to share an
application or a resource among multiple customers or organizations. It plays a
critical role in cloud computing through sharing data that is present in the clouds
like application and infrastructure.
Answer:One of the most interesting comments regards 'stemming': "Some of the search engines offering wildcard search also support what is called "stemming." That means they will find terms like "singing" even if you only enter "sing." This also means you may not need to use a wildcard symbol."
Explanation:
The first two make the most sense.
I hope this helps!