Answer:
The manipulated variable is plant A listening to classical music.
The responding variable is plant B just there growing lol, its the control group.
Explanation:
D. because Facebook averages about 1.7 billion users everyday!
Hope this helps! Have a wonderful day and good luck! If you need more help, don't be afraid to ask! I'd be happy to assist you!
Can you put this as BRAINLIEST? Thank you so much
