have you tried www.khanacademy.org
Answer:
The broad responsibility of a UX designer is to ensure that the product logically flows from one step to the next. One way that a UX designer might do this is by conducting in-person user tests to observe one’s behavior.
Explanation: I don't know if this is what your looking for though.
Answer:
Explanation:
Go and ask a teacher or search
A or b i think hope it helps good luck and i hope it helps