Because oxygen concentration in the water increases at both low temperatures and high flow rates, aquatic amphibians in these situations can rely primarily on cutaneous respiration, as in the Titicaca water frog and the hellbender salamander.

Because of the cross product, L is a pseudovector perpendicular to both the radial vector r and the momentum vector p and it is assigned a sign by the right-hand rule.

Because archaeoastronomy is an interdisciplinary field, whatever is being investigated should make sense both archaeologically and astronomically.

Because any beryllium synthesized in stars is short-lived, it is a relatively rare element in both the universe and in the crust of the Earth.

Because boron is produced entirely by cosmic ray spallation and not by stellar nucleosynthesis, it is a low-abundance element in both the solar system and the Earth's crust.

Because it was extraordinarily expensive the Pascaline became little more than a toy, and status symbol, for the very rich both in France and throughout Europe.

Because of the open-ended style of boxing judging, many fights have controversial results, in which one or both fighters believe they have been " robbed " or unfairly denied a victory.

Because ballpoint pens are low cost alternatives to both fountain pens and roller-ball pens, they have become largely a disposable product.

Because bipolar disorder can have a high rate of both under-diagnosis and misdiagnosis, it is often difficult for individuals with the condition to receive timely and competent treatment.

Because they are both hydrogen-bond acceptors ( the carbonyl ) and hydrogen-bond donors ( the hydroxyl ), they also participate in hydrogen bonding.

Because of the similar conditions, both reactions in the E1 or E1cb elimination always compete with the S < sub > N </ sub > 1 substitution.

Because some materials have both useful mineral content and recoverable calorific value, the distinction between alternative fuels and raw materials is not always clear.

Because of the stylistic similarities between comic strips and early animated movies, " cartoon " came to refer to animation, and the word " cartoon " is currently used to refer to both animated cartoons and gag cartoons.

Because mass actions operate outside the detailed procedures laid out for class actions, they can pose special difficulties for both plaintiffs, defendants, and the court.

Because no species other than Homo sapiens has survived from the human line of that branching, both chimpanzee species are the closest living relatives of humans.

Because these two phenomena's mechanics are mutually exclusive, both are needed in order to describe the possible behaviors.

Because deism asserts God without accepting claims of divine revelation, it appeals to people from both ends of the religious spectrum.

Because these paired books had to fit a fixed total page length, one or both were usually abridged to fit, and Wollheim often made other editorial alterations — as witness the differences between Poul Anderson's Ace novel War of the Wing-Men and its definitive revised edition, The Man Who Counts.

Because St. Louis was geographically isolated from both the dominating teams and the major sports media ( newspapers ) of the era ... all centered in and focused on the East ... Cochems ' groundbreaking offensive strategy was not picked up by the major teams.

Because of this necessity to have relations with other rational beings in order to achieve consciousness, Fichte writes that there must be a ' relation of right ,' in which there is a mutual recognition of rationality by both parties.

Because of its strategic location it is in both the Russian and American spheres of influence.

Because Formalin-fixed, paraffin-embedded ( FFPE ) tissues may be stored indefinitely at room temperature, and nucleic acids ( both DNA and RNA ) may be recovered from them decades after fixation, FFPE tissues are an important resource for historical studies in medicine.

Because of its long seacoast, Italy also has a large number of harbors for the transportation of both goods and passengers.

Because most such alleles are rare in populations, it is unlikely that two unrelated marriage partners will both be heterozygous carriers.

Because of this, a civil libertarian outlook is compatible with many other political philosophies, and civil libertarianism is found on both the right and left in modern politics.

Because of their high reactivity, they must be stored under oil in sealed glass ampoules to prevent reaction with air.

Because of lack of financing, the development of oil fields near Doba, originally due to finish in 2000, was delayed until 2003.

Because of the high reactivity, samples of solid europium rarely have the shiny appearance of the fresh metal, even when coated with a protective layer of mineral oil.

Because the Gabonese economy is dependent upon oil ( crude oil accounts for over 80 % of the country ’ s exports, 43 % of GDP, and 65 % of state revenue ), it is subject to worldwide price fluctuations.

Because of the Balkans were rich in raw materials like iron, zinc and above all oil that could help Germany survive a British blockade, it was viewed as highly important by the Allies to keep German influence in the Balkans to a minimum, hence British efforts to link British promises to support Turkey in the event of an Italian attack in exchange for Turkish promises to help defend Romania from a German attack.

Because these solvents thin the oil in the paint, they can also be used to clean paint brushes.

Because potassium reacts with water vapor present in the air, it is usually stored under anhydrous mineral oil or kerosene.

Because it cannot be applied in thick layers as oil paints can, tempera paintings rarely have the deep color saturation that oil paintings can achieve.

Because of the oil wealth, Venezuelan workers " enjoyed the highest wages in Latin America.

Because countries like Gabon and Nigeria account for as much as 15 % of US crude oil imports, US companies are believed to regard the area as highly prospective.

Because of the oil boom since the 1970s, there has been little extensive government incentive to help develop and encourage new industries in the private sector, in contrast to other Nordic countries like Sweden and particularly Finland.

Because gas floats above oil, the thin red contour line marks the gas / oil contact zone.

The contour interval is 2 ft between successive contour line s. Because oil floats above water, the outer red color indicates the elevation of the water / oil contact zone, which is at the bottom of the Petroleum reservoir.

Because gas floats above oil, the thin red contour line marks the gas / oil contact zone.

Because gases are expelled but not admitted this creates a slight vacuum in the crankcase so that any weak joint or failed seal causes air to be sucked in rather than allowing oil to leak out.

Because of the lower levels of the toxic and irritating properties of genetically modified rapeseed oil, Canola oil is a more promising source for manufacturing biodiesel than the natural oil as a renewable alternative to fossil fuels.

Because of the great wealth being generated by oil, an estimated 60 tribal members were killed as whites tried to gain their headrights, royalties or land.

Because Plaquemines Parish encompasses the last of the Mississippi River, it is the site of several oil refineries, which rely on the shipping lanes for moving their product.