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Rats come in <mask> varieties. | two |
Some people experience <mask> symptoms during a heart attack. | no |
Tempered glass is <mask> times stronger than regular glass. | four |
Cognition is the process of receiving signals from outside of the organism via our <mask> senses. | five |
Iambics have <mask> syllables. | two |
Maps are <mask> dimensional representations of the earth's surface. | two |
Breast cancer strikes <mask> out of every eight American women. | one |
Breast cancer strikes one out of every <mask> American women. | eight |
Glycoproteins contain chains of usually <mask> different carbohydrates. | four |
Hatchlings fall into <mask> main categories, nidicolous and nidifugous. | two |
Female cats can go into heat for the first time as early as <mask> months of age. | five |
Hyphenated words count as <mask> words. | two |
Russian banks have <mask> year history of embezzeling depositors money. | ten |
Whales rise in <mask> stages. | three |
Some robots have more than <mask> degrees of freedom, some less, depending on the kind of work they do. | six |
Hydrocarbons have <mask> ozone depletion potential, and very low global warming impact. | zero |
Flytraps spin when <mask> creatures can be infected. | no |
Field lines exist only in <mask> dimensions. | two |
Vision disorders affect <mask> in every four school-age children. | one |
Vision disorders affect one in every <mask> school-age children. | four |
Trilliums contain <mask> petals, sepals and leaves each. | three |
Normal mares produce approximately <mask> liters of colostrum. | two |
Collaborative commerce is the extension of core business processes beyond a company's <mask> walls. | four |
Blood has <mask> main functions. | three |
Some hernias close themselves as late as <mask> years of age. | ten |
Proboscis monkeys live in-groups of <mask> to fifteen with an adult male as their leader. | five |
Ellipses perform <mask> very distinct functions in writing. | two |
Eagles usually start to breed at <mask> to nine years of age. | four |
Eagles usually start to breed at four to <mask> years of age. | nine |
Male plants yield more asparagus with <mask> seeds produced while in the fern stage of growth. | no |
Some palm seeds take <mask> years to germinate. | three |
Diabetes can occur in <mask> separate ways. | three |
People can have <mask> legs, fur, tails, feathers, fins, scales and even exoskeletons. | four |
Many children have a bowel movement only once every <mask> or four days. | three |
Many children have a bowel movement only once every three or <mask> days. | four |
Scientists think that there are really <mask> different shapes of snow crystals. | four |
Men are <mask> times more likely to develop actinomycosis than women. | three |
Rockets have about <mask> seconds of fuel and follow ballistic paths after the fuel is exhausted. | ten |
Female circumcision is practiced on young girls , usually between the ages of <mask> and eight. | four |
Snail shells have spiral symmetry, and delphiniums have <mask> equally spaced petals. | five |
Barium hydroxide contains <mask> hydroxide anions. | two |
Individual caribou can lose up to <mask> pounds of blood during a summer season. | five |
Space has <mask> boundaries and extends endlessly in all directions. | no |
Canadian women have a <mask> in nine chance of getting breast cancer. | one |
Canadian women have a one in <mask> chance of getting breast cancer. | nine |
ADD is a neurological problem that affects at least <mask> percent of the population. | five |
Depression ranks among the top <mask> workplace problems following only family crisis and stress. | three |
Time is divided to <mask> components, imaginary and real. | two |
Human females have <mask> X chromosomes. | two |
Human speech has <mask> distinctive yet complementary functions and modes. | two |
Neurologists usually divide the pain syndromes into <mask> groups. | two |
Membrane structure has <mask> components, lipids and proteins. | two |
Carcinomas are <mask> times as frequent in women as in men. | three |
Homosexual men are <mask> times more likely to have attempted suicide than are heterosexual men. | six |
Some parents do favour contact for children starting at <mask> years old. | eight |
Crosses mark the centers of the <mask> galaxies. | two |
Dicots have <mask> cotyledons. | two |
Children range in age from birth to <mask> years. | six |
Disasters have <mask> boundaries and they strike at all races, all creeds, all sizes of people. | no |
Asci are transparent cylindrical sacs that each contain <mask> ascospores . | eight |
Infants weigh on average <mask> or two pounds at birth. | one |
Infants weigh on average one or <mask> pounds at birth. | two |
Nymphs feed for at least a month and develop through <mask> instars before becoming adults. | four |
Some families have <mask> parents, some have only one. | two |
Disposable diapers generate <mask> times as much solid waste as cloth diapers. | four |
Time series are annual data for <mask> years prior to the latest year. | five |
American men are <mask> times more likely to die from prostate cancer than Japanese men. | five |
Quanta has <mask> mass and takes up no space, yet extends out into the universe. | no |
Quanta has no mass and takes up <mask> space, yet extends out into the universe. | no |
Lions live in groups of <mask> to thirty individuals, called prides. | three |
Mothers carry infants constantly their first <mask> weeks. | three |
Barbershop harmony is a style of unaccompanied singing with <mask> voices harmonizing to the melody. | three |
Young groundhogs are weaned and ready to seek their own dens at <mask> to six weeks of age. | five |
Young groundhogs are weaned and ready to seek their own dens at five to <mask> weeks of age. | six |
Calves are the offspring of <mask> adult cows. | two |
Cellulose contains <mask> calories per gram. | zero |
Women devote their lives to raising families of six, seven, and <mask> children. | eight |
Men are creatures with <mask> legs and eight hands. | two |
Men are creatures with two legs and <mask> hands. | eight |
Climatic regions Contrasts between the interior and the coasts produce <mask> main climatic regions. | six |
Women are <mask> times more likely to be attacked at home than on the street. | nine |
Cranes mate for life and often pair when they are <mask> to six years old. | three |
Cranes mate for life and often pair when they are three to <mask> years old. | six |
Subways transport more than <mask> and a half million people a day. | three |
Tuataras reproduce very slowly, sometimes taking <mask> years to reach sexual maturity. | ten |
Conifer seeds are very complex structures, containing cells from <mask> generations of the tree. | three |
Drastic maps are composites made up of <mask> individually mapped hydrogeological parameters. | eight |
Many prosimians have at least <mask> nipples and produce litters rather than a single offspring. | four |
Scientific understanding based on the experimental method has a history of only <mask> hundred years. | three |
Ear buds have <mask> cuffs that surround the ear, and no headband. | no |
Ear buds have no cuffs that surround the ear, and <mask> headband. | no |
Water scorpions regulate their depth using <mask> pairs of special sensors on their bellies. | three |
Most aphthous ulcers heal in <mask> to two weeks. | one |
Most aphthous ulcers heal in one to <mask> weeks. | two |
Japan is consists of <mask> main islands. | four |
Termites live in large colonies of cooperating individuals of <mask> different castes. | three |
Lions stand <mask> feet tall at the shoulders. | three |
Deadly spiders nest under toilet seats and have killed <mask> people in Chicago. | three |
Salmonella typhi infection in children younger than <mask> years of age. | five |
Carbon is electron deficient - it only has <mask> electrons around it. | four |