7 Students take a field trip to the neares beach to explore the formation of sand
dunes. What is the best tool to use to
measure the height of a sand dune?
metric ruler
stopwatch
meter stick
calculator

The Klondike Gold Rush was a migration by an estimated 100,000 prospectors to the Klondike Claims began to be sold between miners and speculators for considerable sums.  Furthermore, the Pacific ports closest to the gold strikes were desperate to encourage  The process was repeated until the gold was reached.

Explanation:

Hope I answered your question :)