The one that you've circled (A) is the correct answer.
Answer: I believe it is often said that "Hiking up a mountain in the southwestern United States is like walking from Mexico to Canada" because hiking up a mountain takes a lot more effort as to hiking down. If you have ever climbed up a lot of stairs at one time or climbed a steep or tall hill, you will notice the journey is much easier going down than up. That sentence is like a similie, where it is comparing hiking up a mountain to walking from Mexico to Canada.
Hope this helps ya, please slide me Brainliest :D
Answer:
they can form complex organ systems.
Answer: I would talk with them and tell them that alcohol in moderation is completely fine. So long as they are the legal drinking age. And that their first time to drink it I'd like for them to do it with me so we can tell what negative effects it will have on them. That and we'd know their tolerance for it.