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A downthrown block between two normal faults dipping towards each other is a graben. A block stranded between two grabens, and therefore two normal faults dipping away from each other, is a horst. A sequence of grabens and horsts on the surface of the Earth produces a characteristic basin and range topography.
Plasticizers may be added to improve processing properties, lower the glass transition temperature, improve impact properties, and improve mechanical properties such as elastic modulus [27] Dyes may be added to give color for decorative applications, or to protect against (or filter) UV light. Fillers may be substituted to reduce cost.
A diagram of an anchored spar buoy. A spar buoy is a tall, thin buoy that floats upright in the water and is characterized by a small water plane area and a large mass. . Because they tend to be stable ocean platforms, spar buoys are popular for making oceanographic measu
The three-story cellhouse included the four main cell blocks – A-block through D-block – the warden's office, visitation room, the library, and the barber shop. The prison cells typically measured 9 feet (2.7 m) by 5 ft (1.5 m) and 7 ft (2.1 m) high. The cells were primitive and lacked privacy.
Most iron alloys are steels, with carbon as a major alloying element.. Elinvar (nickel, chromium); Fernico (nickel, cobalt); Ferroalloys (Category:Ferroalloys) . Ferroboron ...
Ø (or minuscule: ø) is a letter used in the Danish, Norwegian, Faroese, and Southern Sámi languages. It is mostly used to represent the mid front rounded vowels, such as [] ⓘ and [] ⓘ, except for Southern Sámi where it is used as an [oe] diphthong.
This is an accepted version of this page This is the latest accepted revision, reviewed on 24 December 2024. 2013 domestic terrorist attack in Boston, Massachusetts, U.S. "Boston attack" redirects here. For the incident in 1770, see Boston Massacre. "Boston bomber" redirects here. For the Douglas Boston bomber aircraft, see Douglas A-20 Havoc. Boston Marathon bombing Moments after the first ...
The troposphere is the lowest layer of Earth's atmosphere. It extends from Earth's surface to an average height of about 12 km (7.5 mi; 39,000 ft), although this altitude varies from about 9 km (5.6 mi; 30,000 ft) at the geographic poles to 17 km (11 mi; 56,000 ft) at the Equator, [23] with some variation due