The answer to this question is C
Answer:
First:
C
Second:
Not 100% sure but I think it's B
Explanation:
The North American one is im pretty sure divergent boundary but no so 100% on it
Average speed :
The horizontal (flat) line on a Distance - time graph shows that the body is at rest because the value of Distance (on y - axis ) is same for increasing time ( on x - axis ), it basically shows that the object is at the same position with the change in time.
therefore, correct option is :