Two trees, one common and one rare, are highlighted to increase public awareness of indigenous trees, while various " greening " activities are undertaken by schools, businesses and other organizations.

Two whole numbers m and n are called coprime if their greatest common divisor is 1 ; i. e., if there is no prime number that divides both of them.

Two of the most common polysaccharides are cellulose and glycogen, both consisting of repeating glucose monomers.

Two common bookkeeping systems used by businesses and other organizations are the single-entry bookkeeping system and the double-entry bookkeeping system.

Two versions of Blackwood are common: " standard " Blackwood, developed by Easley, and " Roman key card " or " RKC " Blackwood, named for the Italian team which invented it.

Two thirds of the chemical elements occur on Earth only as compounds, and in the remaining third, often the compound forms of the element are most common.

Two common types of employee crime exist: embezzlement and sabotage.

Two electric multiple unit s of the DBAG Class 423 | class 423 common in several German S-Bahn networks.

* Two clades are sisters if they have an immediate common ancestor.

Two decades earlier the Royal and Parliamentary Titles Act 1927 had stated that the United Kingdom and the dominions were " equal in status, in no way subordinate one to another in any aspect of their domestic or external affairs, though united by common allegiance to the Crown, and freely associated as members of the British Commonwealth of Nations ".

Two regions are called adjacent if they share a common boundary that is not a corner, where corners are the points shared by three or more regions.

# On 15 September 1790, to his double first cousin Maria Teresa of the Two Sicilies ( 6 June 1772 – 13 April 1807 ), daughter of King Ferdinand I of the Two Sicilies ( both were grandchildren of Empress Maria Theresa and shared all of their other grandparents in common ), with whom he had twelve children, of whom only seven reached adulthood.

Two common examples are shareware and trialware.

Two common types of engineered design for anchoring floating structures include tension-leg and catenary loose mooring systems.

Two numbers are called relatively prime, or coprime if their greatest common divisor equals 1.

Two styles of hearse bodywork are common.

The most common size has 34 strings: Two octaves below middle C and two and a half above ( ending on A ), although folk or lever harps can usually be found with anywhere from 19 to 40 strings.

Two important aspects of a concise language are as follows: First, the most common words ( e. g., " a ", " the ", " I ") should be shorter than less common words ( e. g., " roundabout ", " generation ", " mediocre ",) so that sentences will not be too long.

Two most common forms of engine cooling are air-cooled and water cooled — most modern engines are water cooled.

Two million years ago, scientists believe, the jaguar and its closest relative, the similarly spotted leopard, shared a common ancestor in Asia.

Metals typically consist of close-packed atoms, meaning that the atoms are arranged like sphere Two packing motifs are common, one being body-centered cubic wherein each metal is surrounded by eight equivalent metals.

Two common examples used are:

Two other uncommon sources were promoted by Alexander: Anselm of Canterbury, whose writings had been ignored for almost a century gained an important advocate in Alexander and he used Anselm's works extensively in his teaching on Christology and soteriology ; and, Pseudo-Dionysius the Areopagite, whom Alexander used in his examination of the theology of Orders and ecclesiastical structures.

Two sources for concubines were permitted in an Islamic regime.

Two point sources will each produce an Airy pattern – see the photo of a binary star.

Two independent sources attribute Dobrawa's important role in the conversion to Christianity of Mieszko I and Poland.

Two prominent sources do exist for Urban's pontificate: Eusebius ' history of the early Church and also an inscription in the Coemeterium Callisti which names the Pope.

* In J. R. R Tolkien's The Silmarillion, the Two Trees of Valinor are the sources of light in Middle-earth.

* Two centurions are sent to the south of Egypt to find the sources of the Nile, and possible new provinces.

" Two centuries later, Europeans perceived Saracens as poor, uneducated idolaters belonging to a group wholly separate from the Arabs who brought Aristotle to the Latin West and the Moors and Berbers fighting Christians in Spain ; someone who got all of his or her information on Islam from medieval sources would not conclude the three groups represented one continuous culture.

Two years later on December 6, 1875, the county's name was shortened to " Clay " by the Arkansas General Assembly ; though some sources say it was renamed for the legendary statesman Henry Clay, others say John M. Clayton remained its official namesake.

Two kings are known from near contemporary sources in this early period.

Two Tibetan sources of the life of Shantideva are the historians Butön and Jetsün Tāranātha.

Two other sources of concern appeared in the early 1970s and suggested that there were other things that needed fixing as well.

Two to five major genes, plus several minor genes, have been reported from various sources

Two major sources of eyewitness testimony about the Boston Massacre, both published in 1770, did not refer to Attucks as a " Negro ," or " black " man ; it appeared that Bostonians accepted him as mixed race.

Two additional sources detected and listed in 3A include SMC X-2 at 3A 0042-738 and SMC X-3 at 3A 0049-726.

* Two sources:

Two modern sources explicitly state that the structure of the Gregorian calendar was not touched.

* Henri Bergson-Les deux sources de la morale et de la religion ( The Two Sources of Morality and Religion )

Two sources credit African American dancers as the source of the Fox Trot: Vernon Castle himself, and then dance teacher Betty Lee.

Two of the three were later hospitalized with severe radiation burns after carrying the sources on their backs.

With the California Gold Rush later in the decade, Two Years Before the Mast would become highly sought after as one of the few sources of information on California.

1975-1977: Two Suns Arcosanti-The Xerox Corporation sponsored a major Soleri exhibition featuring a series of new arcology designs that suggested a sustainable urban habitat employing alternative energy sources.

Two other sources of popular Apple code-names, at least before the 1990s, appear to have been women's names ( e. g., Jennifer, rumored for the Macintosh IIx ; Lisa, actually sold as the Apple Lisa ) and varieties of apples ( e. g., Cortland → Apple IIgs ; Macintosh < nowiki > McIntosh ( apple ) | McIntosh < nowiki ></ nowiki >, actually sold as the Macintosh )

The contents may be divided into four parts, which most scholars agree were combined from separate sources by a later redactor: the first is the Two Ways, the Way of Life and the Way of Death ( chapters 1-6 ); the second part is a ritual dealing with baptism, fasting, and Communion ( chapters 7-10 ); the third speaks of the ministry and how to deal with traveling prophets ( chapters 11-15 ); and the final section ( chapter 16 ) is a brief apocalypse.