Because of the nonzero planetary masses and resulting perturbations, Kepler's laws apply only approximately and not exactly to the motions in the solar system.

Because of the low availability relative to demand, rhenium is among the most expensive of metals, with an average price of approximately US $ 4, 575 per kilogram ( US $ 142. 30 per troy ounce ) as of August 2011 ; it is also of critical strategic military importance, for its use in high performance military jet and rocket engines.

Because African countries face some of the most severe poverty and underdevelopment, and because 39 of those countries are the IDA's poorest member states, the association allocates approximately half of the IDA's resources toward financing projects in those countries.

Because of a " wobble " in the Earth's axis of rotation over a period of about 26, 000 years ( often called a " great year "), the rate at which the vernal equinox precesses in the heavens is approximately 0 deg, 0 min, 50. 23 seconds a year, drifting by one degree every 72 years.

Because temperature variations tend to propagate through dense masonry materials ( thermal diffusion ) at a rate of approximately 1 inch per hour, daytime heat gain will be available at the interior surface of the thermal mass in the early evening when it's needed.

Because it includes the National Forest of Saint-Germain-en-Laye, it covers approximately, making it the largest commune in the Yvelines.

Because more than 60 % of television shows contain violence, adolescents view approximately 10, 000 media violence acts every year.

Because the Indiana-Kentucky border is defined as the low-water mark on the north bank of the Ohio River as of 1792, and because the river changed course as a result of the New Madrid Earthquake of 1812, a small portion of Henderson County ( approximately long and wide ), lies north of the current course of the river in what would appear to be part of Indiana.

Because of the island, the town is officially the second most southerly point in Massachusetts ( the south shore of Nantucket is approximately a kilometer south of the southernmost point on Noman's Land ).

Because they were used as pikes, military flintlocks tended to be approximately five or six feet in length ( without the bayonet attached ), and used bayonets that were approximately 18 to 22 inches in length.

Because the Nazis did not wish the Sonderkommandos ' knowledge to reach the outside world, they followed a policy of regularly gassing almost all the Sonderkommando and replacing them with new arrivals at intervals of approximately 4 months ; the first task of the new Sonderkommandos would be to dispose of their predecessors ' corpses.

Because the stands of kauri were dense, the ecological destruction in the affected plateau area ( approximately a fifth of the forest by area, and a quarter by volume of timber ) was essentially complete ( as of the early 1990s most of the affected area contained a thick covering of native grasses with little or no kauri regeneration ).

Because the United States imported approximately 35 percent of its oil from foreign sources, the embargo had a major effect.

Because medications have been linked to approximately 22 % to 28 % of all cases of dysgeusia, researching a treatment for this particular cause has been important.

Because both rates are approximately in balance, population growth is typically very slow in stage one.

Because the governor controls so many appointments to commissions — approximately 2, 000 according to a 1992 estimate — the office has been historically considered one of the most powerful state executive positions in the United States.

Because of the distance from Ede to the crossing point and the need to skirt a German ' no mans zone ', the main party's march to the river was approximately 23 km ( compared to the 5 km of Pegasus I ) and would take two days to make.

Because the depth of the pits is approximately one-quarter to one-sixth of the laser's wavelength, the reflected beam's phase is shifted in relation to the incoming reading beam, causing mutual destructive interference and reducing the reflected beam's intensity.

Because of the range in altitude from approximately along the river to Emory Peak in the Chisos Mountains at a wide variation in available moisture and in temperature exists throughout the park.

Because of Ebetsu's location approximately in the middle of the Ishikari Plain upon which Sapporo city is the southwestern extent, it is known for having wind year-round.

Because of the central limit theorem, many test statistics are approximately normally distributed for large samples.

Because intracellular GTP is abundant relative to GDP ( approximately 10 fold more ) GTP predominantly re-enters the nucleotide binding pocket of Ras and reloads the spring.

Because a phonon has three possible polarization states ( one longitudinal, and two transverse which approximately do not affect its

Because of its especially strong research programs, the school offers numerous scholarships and unique research opportunities for students at both the undergraduate and graduate levels, with a very high professor to student ratio of approximately one professor per twelve students.

Because it comprises most of the mass in water, oxygen comprises most of the mass of living organisms ( for example, about two-thirds of the human body's mass ).

Because Chinese viewers often gathered in large groups to watch publicly owned sets, authorities estimated that two-thirds of the nation had access to television.

Because of the devolution of power, the powers of the Central Committee have increased substantially ; for instance, when a two-thirds majority of the Politburo voted in favour of retaining Lê Khả Phiêu as General Secretary ( the leader of Vietnam ), the Central Committee voted against the Politburo's motion and voted unanimously in favour of removing Lê Khả Phiêu from his post of General Secretary.

Because of this huge increase in supply, the Bridgewater canal reduced the price of coal in Manchester by nearly two-thirds within just a year of its opening.

Because nearly two-thirds of the blood in the systemic circulation is stored in the venous system, end-diastolic volume is closely related to venous compliance.

" Because she was deemed a risk to reoffend, she was denied statutory release two-thirds of the way through her sentence ," Maclean's reported in explaining what had exempted Homolka from the parole restrictions meant to ease an offender's integration into mainstream society.

Because two-thirds of Commonwealth elections have been held in the months between September and December, there have been numerous instances of incoming Senators being required to wait many months before taking their seats.

Because warders are present in the sections for less than two-thirds of the day, the gangs are enormously powerful in the communal cells.

Because the barrier to entry is so low, spammers are numerous, and the volume of unsolicited mail has become very high.

Because most parts of the country do not use standard street addresses, mail is largely sent to P. O.

Because the mail was sent to and from Berkeley Springs, that name slowly took precedence.

Because of the uncertainty of the mail boat schedule, a conch shell would be blown to alert the islanders that the mail had arrived.

Because of its central location, Harrisburg became the home base for stagecoach and mail carrier lines in the county, and the county government moved its operations from Ashford in mid-1891.

Because they are predominantly used on mail servers which may send mail to computers running other operating systems, Linux virus scanners generally use definitions for, and scan for, all known viruses for all computer platforms.

Because of this weakness most warriors wore a mail shirt ( haubergeon or hauberk ) beneath their plate armour ( or coat-of-plates ).

Because the new Zeppelins were the fastest way to get mail delivered across the Atlantic ocean they carried a great deal of mail.

Because of all the fanfare surrounding the Zeppelins most of mail carried aboard were Zeppelin first flight covers.

Because of the fast mail delivery service there was a lot of commercial mail aboard these vessels.

Because of urbanization around cities and because rural carriers deliver mail at less cost to the Postal Service, the Rural Carrier Craft is the only craft in the Postal Service which is growing.

Because of the card's prolonged exposure on the BBC, Hersee received fan mail during her teenage years and was regularly contacted by media outlets for interviews, but she quickly tired of the publicity.

Because some of the galleries de Hory had sold his forgeries to were becoming suspicious, he began to use pseudonyms, and to sell his work by mail order.

Because some mail programs do not accept more than 26 characters in a combined TLD and second level domain name, names with more than 23 characters for the second level domain ( plus. PH

Because of the file lock and the way they were accessed a user could only login to their mail from a single PC at a time.

Because of the air mail operation, accidental crash deaths suffered by the Air Corps in 1934 rose by 15 % to 54, compared to 46 in 1933 and 47 in 1935.

Because of maneuvers and operations, civilians became accustomed to blocked roads, traffic jams, crowded stores, the absence of mail delivery, and driving at night without lights.

Because email connects through many routers and mail servers on its way to the recipient, it is inherently vulnerable to both physical and virtual eavesdropping.

Because vanity domains are operated for or on behalf of individuals, they typically will not offer the full complement of services an organisational domain name ( or rather, the host that it points to ) would be expected to honour ; for example, the DNS record may contain only an MX record identifying a mail server accepting e-mail for that domain ( which may itself be an e-mail forwarding server ) and an A record identifying a shared web hosting service only offering HTTP ( which may itself be a URL redirection service ).