Answer:
They are: listening, speaking, reading and writing. Most likely, your first few Chinese classes will focus mostly on listening and speaking, and will gradually incorporate reading and writing as you go, since these are the most difficult of the four.
Both parts of the word, "ortho" and "scope" have Greek origins. The literal definition being an upright viewing instrument. Therefore, the answer is D, Greek.
Yup. emotional stress can take a toll on us physically, which is why we should always take care of our mental/emotional being as much as our physical
