You are correct earth science is studied to predict planetery changes
Answer:
D. 24 m
Explanation:
Running up - velocity + 30 m/min
Escalator 's moving down velocity - 24 m/min
Sum velocity (30 - 24) = 6 m/min
6 m/min * 4 min = 24 m
Answer:
Only at point a
Explanation:
If the velocity is greater than zero, than the object must be moving.