it is more efficient for the body and it gives them time to collect more
Answer:
B. The mutations were beneficial for each new environment.
Explanation:
Because you cannot test it or observe it.
A scientific theory are created through the scientific method, in the scientific method you need to be able observe it and experiment.
Based on the given scenario, the best way to be used to
promote the safest movement of the patient is that the four rescuers present
should have each destined location on the patient where in, one of them should
be on the head, the other at the feet, and the two should be on each of the
side of the backboard.