WILL GIVE BRAINLIEST! An individual doesn't evolve but populations do evolve. This is an example of .

Select one:

a.
inductive reasoning

b.
systems biology

c.
reductionism

d.
emergent property

Amotorboat maintained a constant speed of 12 miles per hour relative to the water in going 45 miles upstream and then returning. the total time for the trip was 8.0 hours. use this information to find the speed of the current.