Answer:
I am going to guess it shows that the balloon is going downwards because the speed of rise is in the negatives for the last 2.
Answer:So You Decide To Move Closer To Give The Conversation A Sound Level Of 80.0dB Instead. ... You are trying to overhear a juicy conversation, but from your distance of 24.0m , it sounds like only an average whisper of 40.0dB .
Explanation:
Image from a far away object formed by a concave mirror
I have no idea but this is my best guess as a sophomore in college
Iodine, chloride, and bromide
