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
Answer:IP is internet protocol, every router has one some routers are dynamic which means they change everything the router reboots and some routers are static which means you would have to call your isp(Internet Service Provider) to get it changed.
Explanation: I do illegal things :)
Yes you must update or do something first but then you can
Since resistance and current are inversely proportional, when the resistance doubles, the current is cut in half.