C. Observations and measurements
Answer:
A person who never gives up.
Explanation:
due to his passion for skateboarding he try's his never gives up until he will finally learns the trick.
I think b is the right one
Answer:
Please do not take my word for this at all, but this is what I found, "When the pendulum swings back down, the potential energy is converted back into kinetic energy. At all times, the sum of potential and kinetic energy is constant." So I think the answer is B also you are anime fan too lol :DD I love hinata
Explanation: