low
Mount Washington is 6,288 ft (1,917 m) high
12,326 ft
68
70155 ft high
Mount Rainier is located 54 miles (87 km) southeast of Seattle in the state of Washington, United States. It is 14,411ft or 4,392m high.
Since the barometer read that the air pressure was high, the boy brought an umbrella outside.
2.5 feet or 760 milimeters
Because it has a high density... meaning that the volume increase or decrease due to altitude change is can be viewed in a practical sized barometer. If water, which had a much lower density, was used instead of Mercury, the barometer must be at least 15m high.
That would be Mount Rushmore. It has the heads of (in order) George Washington, Thomas Jefferson, Theodore (Teddy) Roosevelt, and Abraham Lincoln.
Mt. Rainier, Register Rock and Point Success are the three highest mountains in Washington state.
Mount Everest is 8,850 meters high
Mount Pulag (or sometimes Mount Pulog) is 2,922m or 9,587ft high