Satellites send or , information from one place to another through radio signals.

satellites communicate by using radio waves to send signals to the antennas on the Earth.

The antennas then capture those signals and process the information coming from those signals.

answer; native americans who sometimes actively impeded railroad construction; physical obstacles like rivers and canyons, and

1."lessen the worth of ."

2."increase the worth of."

3." beyond the worth of."

4."against the worth of ."