There can be mental health effects and psychological dependence
Answer:
I think its the helicopter one
Explanation:
it could be the bus one though
Answer:D
Explanation:
Because u have to make observation then ask a question
Answer:
Zero
Explanation:
Acceleration is defined as the rate of change in speed. The speed during the first second is 9m/1s = 9m/s. During the second second is again 9m/1s = 9m/s and again 9m/s for the third second. Being the speed the same, the acceleration is 0
