The diaphragm is the part that adjusts the light of the specimen
Money, resources, soldiers, allies
I believe it was Kent R. Weeks<span> </span>
<h3>Lewis and Clark</h3>
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Thomas Jefferson sent Lewis and Clark to explore the west of the Mississippi River. This took place in 1804.
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Good luck! :)
~pinetree
D. All of the above
Hope this helps! :)