The pathfinder is an example of an instrument that allowed scientists to explore space through
a. a satellite radar system.
b. a remote-controlled vehicle.
c. picture imaging.
d. astronaut voice journals.

Which is produced by the endocrine system to control how cells and organs function

Write a function 'music_func' that takes 3 parameters -- music type, music group, vocalist -- and prints them all out as shown in the example below. in case no input is provided by the user, the function should assume these values for the parameters: "classic rock", "the beatles", "freddie mercury". for example: input: alternative rock,pearl jam,chris cornell output: the best kind of music is alternative rock the best music group is pearl jam the best lead vocalist is chris cornell note: the print statements will go inside the for example: print("the best kind of music is"

Idon understand these and need some ! ?