Answer by YourHope:
Hi! :)
It was launched on April 11, 1970 from the Kennedy Space Center, in Florida!
:)
The difference between analog and digital signals is that an analog signal is a continuous electrical message while digital is a series of values that represent information. Analog is conveyed by electrical current variations.
There are many types of frogs thus there are a lot of scientific names also, such as Rana draytonii or Atelopus zeleki. But the common scientific name or order for frogs is called Anura.