Answer: Rosalind Franklin
Explanation: Rosalind was the first oerson to get a picture while Watson and Crick came up with the strusture and won the nobel piece prize
Answer:
29.2 m
Explanation:
P=mh. Plug in the values.
584 J = 20 kg x <em>h</em>
h = 29.2 m
If it's gravitational potential energy multiply is by gravity which I think is 10 m/s.
I believe you use the pH scale with comparing acids and bases.
Physical Change, although the answer is widely disputed.
