I am not really sure I need the answer asap too
Answer:
C) One passage provides objective economic data about the river while the other tells the story of two boys adventuring on its water.
Explanation:
The main idea of Mary O'Dell's passage is to present the Mississippi river as an important resource which was used for development of river transport, thus
contributing to the nation's economic growth.
Twain's passage, although also mentioning Mississippi, does so only to give his story a setting, a place for adventures of the two wannabe pirates.
So, the basic contrast between two passages is best described in answer C.
Visitors should prepare for a trip by bringing clothing for different types of weather
The entire second paragraph discusses how the different oceans/seas surrounding the park causes different weather. There can be dry air, blizzards, etc. which all cause a person to dress differently.
