Make private accounts on defiant servers
Answer:
an error message
Explanation:
The return value is the value which is sent back by the function to a place in the code from where the 
was called from. Its main work is to return a value form the function.
In the context, the form of "(symbol-length? 'James)" in Scheme will return the value --- ' an error message'.
Answer: Port
Explanation :
When we port a software from one computer to another computer or from one operating system to another operating system, it tries to adapt to the new environment of the machine by checking the required the configurations of the machine and then checking the available files in the software to run the machine.
The porting of a software also checks whether the software is compatible with the machine or not and if not then why.
Answer:
C. ground antennas
Explanation:
AKA Satellite Dishes That Communicate Just Like Direct Tv dish It is focused by a bowl-shaped parabolic dish onto a device in the center called a "feed horn", which channels the signal to a "low-noise block down converter" (LNB) which filters out unwanted interference, and sometimes converts it to yet another frequency before amplifying it and sending it to the satellite receiver
