Answer:
Algernon Mocrieff, ceicly Cardrew
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Answer:
Most common photo apps can crop photos on their own. If the photo is on your phone, you can use google photos or any other default app to crop it and then transfer it to the computer. This can also be done through the computer with whatever app you use to view the photo.
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Answer:
A radio broadcast producer´s most invaluable responsibilities are:
- Creating original ideas and content for radio programs.
- Monitoring audience engagement and adequate content to achieve the growth rate of listeners. 
- Managing presenters, content creators, and assistants while the program is on-air and during the entire production process.
Explanation:
A radio broadcast assistant´s most invaluable responsibilities are:
- Providing administrative assistance. 
- Audio engineering
- Providing scripts for the DJs to properly deliver sponsors´ advertisements within the show.