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|---|---|
Egoism is of <mask> kinds, gross and subtle. | 10two |
Many countries require passports to be valid for at least <mask> months after entry. | 7six |
Azaleas typically have flowers with <mask> stamens and one style. | 1five |
Azaleas typically have flowers with five stamens and <mask> style. | 5one |
Giant pandas move on all <mask> legs. | 2four |
Children range in age from newborn to <mask> years old. | 0eight |
Most organ systems are operational in the fetus by <mask> to six months. | 2four |
Most organ systems are operational in the fetus by four to <mask> months. | 7six |
Ethanol typically adds <mask> octane numbers when blended with gasoline. | 9three |
Lantanas bloom in a dense head with individual florets tubular, with <mask> or five lobes. | 2four |
Lantanas bloom in a dense head with individual florets tubular, with four or <mask> lobes. | 1five |
Newborns have all <mask> senses. | 1five |
Milk paint contains <mask> hydrocarbons or any other petroleum derivatives. | 4no |
Most countries eat <mask> or more meals per day. | 2four |
Plane joint means <mask> adjoining surfaces in parallel planes. | 10two |
Snowboards have <mask> rails. | 10two |
Coelacanths are lobe-finned fish, with rounded heads and <mask> fins. | 0eight |
Wheat starch has <mask> components, amylose and amylopectin. | 10two |
Bacteria come in <mask> forms - anaerobic and aerobic. | 10two |
Endometriosis is a puzzling disease affecting an estimated <mask> million women in the United States. | 1five |
Bears often make bluff charges, sometimes to within <mask> feet, without making contact. | 8ten |
Eastern oysters can reach sexual maturity at <mask> months old. | 2four |
Betalamic acid has then the choice of <mask> fates. | 10two |
Women live longer than men by an average of <mask> years. | 6seven |
Relationships vary in how any <mask> people function. | 10two |
Amelia Island is the only territory in American history to serve under <mask> flags. | 0eight |
Male cats are fertile from <mask> months, and can impregnate up to thirty-two female cats a year. | 7six |
Irish law requires children between the ages of <mask> and fifteen to go to school. | 7six |
Alpacas have <mask> sets of teeth for processing food. | 10two |
Devils live for about <mask> years in their natural habitat of dry bush and scrub land. | 6seven |
Chickadees have a complex social system with <mask> extremes. | 10two |
Red raspberries are usually ripe within four to <mask> weeks from the start of the growing season. | 7six |
Matter consists of the combination of the <mask> elements of solidity, fluidity, motion and heat. | 2four |
Chile has <mask> standards for emissions and environmental quality. | 4no |
Hummingbirds can live up to <mask> years. | 3nine |
Territories are of <mask> kinds, breeding and nonbreeding. | 10two |
Reliability is a combination of <mask> trains of thought. | 10two |
Parallel ports use <mask> wires to send eight bits in parallel at one time. | 0eight |
Unemployment is at some of the lowest measured rates in <mask> decades. | 9three |
Spiders have <mask> walking legs and insects have six. | 0eight |
Women are also <mask> times more likely than men to be victimized by an intimate partner. | 7six |
Crustaceans have <mask> pairs of antennae. | 10two |
Sprawl is the result of over <mask> decades of subsidies paid for by the American taxpayer. | 1five |
Tamanduas have four clawed digits on the forefeet and <mask> on the hindfeet. | 1five |
Bacterial cells outnumber human cells <mask> to one . | 8ten |
Bacterial cells outnumber human cells ten to <mask> . | 5one |
Speed is measured in <mask> ways. | 10two |
Infertility affects <mask> in five couples today. | 5one |
Infertility affects one in <mask> couples today. | 1five |
Human brains weight <mask> percent of our total weight. | 10two |
Nymphs pass through <mask> instars. | 1five |
Individual trees bloom from <mask> to five times a year. | 10two |
Fluorescent lamps produce about <mask> times as much light per watt as incandescent bulbs. | 2four |
Numbat moms can have up to <mask> babies at once. | 2four |
Dalmatians shed twice a year, <mask> months in the spring and six months in the fall. | 7six |
Dalmatians shed twice a year, six months in the spring and <mask> months in the fall. | 7six |
Cotton is most susceptible to injury by thrips from emergence through the three to <mask> leaf stage. | 2four |
Dalmatians can take <mask> to three years to mature mentally. | 10two |
Worms have <mask> eyes or ears, but they have cells that sense light and dark, and they sense vibration. | 4no |
Snow storms occur <mask> or eight times a year. | 6seven |
Snow storms occur seven or <mask> times a year. | 0eight |
Fireflies combine <mask> special substances in their photic organs to make light. | 9three |
Biennials Live for <mask> years. | 10two |
Postpartum depression tends to set in later after birth, and past <mask> weeks. | 7six |
Conifers represent the largest gymnosperm class, and include <mask> families. | 6seven |
Weekly price is the price for <mask> days. | 1five |
Genetic mapping divides the chromosomes in <mask> bands. | 10two |
Rice is a fair source of protein containing all <mask> essential amino acids. | 0eight |
Research chemists create <mask> dimensional models of molecules in shared workspace. | 9three |
Astronomers classify galaxies into <mask> major categories. | 9three |
Cooked peanuts have a shelf life up to <mask> weeks. | 7six |
Mammals are warm blooded, use lungs for respiration, and have <mask> legs. | 2four |
Power is focused around <mask> poles. | 10two |
Planes are flat surfaces that extent infinitely in <mask> directions. | 10two |
Fossil evidence has beavers of the ice age up to <mask> feet in length. | 7six |
Gorillas give birth after <mask> months of gestation. | 0eight |
Every Jewish year begins with the <mask> most important days of the year. | 8ten |
Baleen whales have <mask> and toothed whales have one. | 10two |
Body hair emerges at <mask> to twenty one days. | 8ten |
Body hair emerges at ten to twenty <mask> days. | 5one |
Acupuncture works to relieve <mask> types of lower back pain. | 10two |
Hellbenders have <mask> toes on their front feet and five on their hind feet. | 2four |
Hellbenders have four toes on their front feet and <mask> on their hind feet. | 1five |
Tapeworm infections can occur in as little as <mask> weeks. | 10two |
Natural systems have <mask> types of food webs-grazing and detritus. | 10two |
Most mute swans breed at age <mask> and remain with the same mate for life. | 9three |
Involuntary manslaughter carries up to <mask> years. | 1five |
Psychiatrists say that <mask> in four people are mentally ill. | 5one |
Psychiatrists say that one in <mask> people are mentally ill. | 2four |
Newborn cubs have greyish spots in their skin, which fade away in about <mask> months. | 9three |
Ferrets normally tremble for <mask> reasons. | 10two |
Illness is blamed on an imbalance in the <mask> humors that exist in all living things. | 9three |
Female cats can whelp <mask> or four times per year if made pregnant. | 9three |
Female cats can whelp three or <mask> times per year if made pregnant. | 2four |
Most sharks have <mask> pairs of gill slits, but some have six or seven pairs. | 1five |
Most sharks have five pairs of gill slits, but some have <mask> or seven pairs. | 7six |
Most sharks have five pairs of gill slits, but some have six or <mask> pairs. | 6seven |
Average acceleration is a quantity calculated from <mask> velocity measurements. | 10two |
North Island is subtropical and has <mask> extremes of heat or cold. | 4no |
Cords comprise <mask> insulated wires, joined at the middle. | 10two |
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