Is the piano a string instrument?

Is the piano a string instrument?

There are also problems with classifying certain keyboard instruments. For example, the piano has strings, but they are struck by hammers, so it is not clear whether it should be classified as a string instrument or a percussion instrument.

When was the DC Metro built?

The Washington, DC Metrorail system is a regional rapid transit system consisting of five lines, 83 stations and approximately 103 miles of track. System completion as originally planned was achieved on January 13, 2001. Construction began on December 9, 1969, with the first stations opening on March 27, 1976.

How many annual injuries are caused by toilets?

Toilet related injuries are also surprisingly common, with some estimates ranging up to 40,000 injuries in the US every year. In the past, this number would have been much higher, due to the material from which toilet paper was made. This was shown in a 1935 Northern Tissue advertisement which depicted splinter-free toilet paper. In 2012, 2.3 million toilets in the United States, and about 9,400 in Canada, were recalled due to faulty pressure-assist flush mechanisms which put users at risk of the fixture exploding.[

How many amps are in a bolt of lightning?

Most measurements have been in the range 5,000 to 20,000 amps but a famous strike just before the Apollo 15 launch in 1971 was measured at 100,000 amperes by magnetic links attached to the umbilical tower. Currents over 200,000 amps have been reported.

How old is the world’s oldest piece of chewing gum?

The oldest piece of gum is over 9000 years old.

Who were the original members of NATO?

At present, NATO has 28 members. In 1949, there were 12 founding members of the Alliance: Belgium, Canada, Denmark, France, Iceland, Italy, Luxembourg, the Netherlands, Norway, Portugal, the United Kingdom and the United States.

Are people from Holland called Dutch?

There are three terms we need to define: Holland, the Netherlands, and Dutch. In Old English dutch simply meant “people or nation.” (This also explains why Germany is called Deutschland in German.) Over time, English-speaking people used the word Dutch to describe people from both the Netherlands and Germany.

Do evergreen trees lose their leaves?

Deciduous trees shed their leaves usually as an adaptation to a cold or dry season. Most tropical rainforest plants are evergreens, replacing their leaves gradually throughout the year as the leaves age and fall, whereas species growing in seasonally arid climates may be either evergreen or deciduous.