Letter B is the correct answer.
Interactionist perspective is a theory of language acquisition that suggests that our language ability is a result of our desire to communicate with other people. Then, language will depend upon those who we want to communicate with. Thus, we can say that the environment will highly affect how well and quickly we can learn a language.
The system that has the least amount of government involvement in the economy is capitalism. The correct answer is B.
Einstein hypothesized that, if something could travel faster than the speed of light, it would break fundamental physical laws by being able to observe, relatively speaking, a stationary electromagnetic wave. Thus, for his theory of relativity to work, he hypothesized that the speed of light must remain constant.
<em>Answer: C) the gases that make up the stars.</em>
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<em>Explanation: Not every galaxy is made up of the same exact gases to the stars might have a difference in their gases.</em>