It’s gonna be Oxygen ....
The answer is C. Electrical;mechanical
The advantage is that we do not run out of resources and a disadvantage is that is dangerous when a “human” gets too close and gets sick by the radiation.
Distance is the total length covered = 2m + 3m = 5m
Displacement is his distance from original position.
Displacement = 2m + (-3)m. Representing the 3m walked back as -3.
Displacement = 2m - 3m = -1m.
So his displacement is 1m behind his original starting point.
Answer: el tiempo que habria que esperar para que el dia fuera 1 hora mas largo que es hoy
Explanation: