Answer:
From what I remember, 4. Sorry if this is wrong!
Explanation:
<span>Three of the men who almost made their way down to the Colorado river thought that the "boulders" they saw from below were "taller than the great tower of Seville." It is not Seville, but the Himalayas, that Dutton was thinking of. </span>
The show what the following section will be about so you can go into it knowing what you are reading.
Think about being the parent. Right from their point of view. Think about the problem. Do research about how to write effective thesis statements.
That's all I can help with.