What are 4 major pollutants? The common air pollutants are: Particulate matter (PM10 and PM2. Ozone (O3) Nitrogen dioxide (NO2) Carbon monoxide (CO) Sulphur dioxide (SO2) What are major air pollutants their causes and effects on human body? Air pollution is also considered as the major environmental risk factor for some respiratory diseases such as […]
Is a ball in equilibrium at its highest point?
Is a ball in equilibrium at its highest point? 1 Expert Answer Once the ball leaves the person’s hand, it is never in equilibrium until it lands on the ground or the person catches it again. In particular, it is definitely not in equilibrium when it reaches the top of its path, where the velocity […]
What are the 5 parts of the wave?
What are the 5 parts of the wave? Vocabulary crest. the top of a wave. wave. moving swell on the surface of water. wave height. the distance between a wave’s trough and crest. wavelength. the distance between the crests of two waves. wave trough. the lowest part of a wave. What are two main types […]
What are 4 energy concerns?
What are 4 energy concerns? In this section we examine some problems associated with the use of fossil fuels, fuel wood, uranium, hydro power plants and wind energy….Global warming Rise in mean (average) global temperature. Rising sea levels. Occurrence of weather extremes. Shifting of vegetative zones. What is the world’s energy problem? The energy problem […]
What are 10 ways to save energy?
What are 10 ways to save energy? 21 tips: no-cost ways to save electricity Turn off unnecessary lights. Use natural light. Use task lighting. Take shorter showers. Turn water off when shaving, washing hands, brushing teeth. Fix that leaky faucet. Unplug unused electronics. Ditch the desktop computer. How can I make an inexpensive energy efficient […]
Why do old movies have bad sound?
Why do old movies have bad sound? This may seem a strange answer, but a lot of the “low quality” sound was intentional. Old movies (pre-1950) were made using optical sound recording which had a very limited dynamic range. The objective was to record all the sound at maximum volume so that the inherent noise […]
What influenced Rembrandt?
What influenced Rembrandt? Caravaggio What happened to Rembrandt? Rembrandt outlived both Hendrickje, who died in 1663, and Titus, who died in 1668, leaving a baby daughter. He died within a year of his son, on 4 October 1669 in Amsterdam, and was buried as a poor man in an unknown grave in the Westerkerk. What […]
How did cuneiform develop?
How did cuneiform develop? Cuneiform was first developed by the ancient Sumerians of Mesopotamia around 3,500 B.C. The first cuneiform writings were pictographs created by making wedge-shaped marks on clay tablets with blunt reeds used as a stylus. Over time, pictographs gave way to syllabic and alphabetic signs. What is cuneiform and why was it […]
What period is Chorale?
What period is Chorale? Baroque What is harmonized version of hymnal tunes of the Protestant Church? Explanation: Opera- a drama set to music made up of vocal pieces with orchestral accompaniment and orchestral overtures and interludes. Chorale- musical compositions that resemble a harmonized version of hymnal tunes of the protestant church during the Baroque […]