The main goals of the expedition of lewis and clark included all of the following except

a. to establish ability to build forts
b. to explore commercial potential of the area.
c. scientific exploration
d. to take over the louisiana territory

D. Lousiana was already purchased.

Explanation:

President Thomas Jefferson commissioned the expedition after the Louisiana Purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an American presence in this territory before Britain and other European powers tried to claim it. Also the objectives were scientific and economic: to study the area's plants, animal life, and geography, and to establish trade with local American Indian tribes.

loess contribute to the flooding of rivers by providing the silt that is washed into rivers and constantly raises the bed of the rivers. this elevation above the surrounding flood plains and dams allow the river to overwhelm the dams and flood thousand of square miles of neighboring flood plains.

yes i would go with c

hope i

-lavira: )