I am 11 year old and u just needed to login in so I can't answer ur questions
Abyssal plain
Abyssal fan
Archipelago
Atoll
Arch
Answer:
a. Potential energy decreases and Kinetic energy increases
Explanation:
Because as he comes down due to its steepness the speed of the boy or you can say his KE increases and since he comes from a high position (hill) to the lower ground his potential energy decreases simultaneously