Not having the excerpt here, I can only help you to find the answer. Mood is the feeling you get when you read the passage. Foreboding is fearful or apprehensive. Welcoming is or can be joyful and accommodating or making someone feel comfortable in their surroundings. Sorrowful is sad or mournful. Optimistic is positive, hopeful, and confident about your future. As you read the passage, which of these are you feeling or closely matches your feelings.
The answer is B because after the change the climax begins
The planet Venus is almost exactly the same size and mass AS Earth, with a similar interior, including a nickel-iron core.
Well, it depends on what you're looking for but .gov and .edu websites are credible.
.org websites can be of good use too, but not all of them are credible
Usually it means the style of the writing or speech being used
