Answer:
Congrats I am so happy for you! You rock it!
I believe it would be D. Tape measure and stopwatch.
To calculate velocity you’ll need to know the height it is falling from and how long it takes to fall.
Hope this helps!
Please let me know if I was right.
Answer:
my sagot kana bha pwede mo bha sagutan wala pa ako eh
It's the rows. They are periods. (1,2,3,4,5,6,7 - the ones without the letters).
To answer this question I would have to know the elements in the compound