Answer:
Becuase they can go through mountains and hills, they curve of of those.
Answer: crest I don’t really know how to explain it but yea it’s crest
The answer is gas only.
hope this helps!
Answer:
45 meters
Explanation:
If it takes the slug 20 minutes to travel 15 meters, you multiply the 15 by three to get the distance for 60 minutes.