The natural spreading of particles through a liquid or gas is called diffusion
<span>B. Social learning theory
Behaviorism is a popular view in psychology concerning behavior and responses is said to be shaped by one's environment.
One component of behaviorism is social learning theory which suggests that </span>"behavior changes as a result of observing people in various
<span>
situations".</span>
There are other two views:
1. Classical conditioning
2. Operant conditioning
The correct answer is A. Two populations of finches that cannot produce viable offspring
Explanation:
Reproductive isolation is a biological and evolutionary phenomenon that prevents two species from successfully reproducing, this means they cannot produce offspring or the offspring is not fertile, even if these species had a common ancestor. Additionally, as a result of reproductive isolation, each species keeps its genes and features. This phenomenon is best exemplified in "Two populations of finches that cannot produce viable offspring " because this refer to the barriers for different species to reproduce or produce viable offspring, which is the focus of reproductive isolation.
