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Most museums keep between one and ten percent of their collections on display at any <mask> time. | 5one |
Number represents mean of the reaction on <mask> plants. | 9three |
Lazy eye develops rapidly during the first <mask> years of life. | 9three |
Cuboids have <mask> faces, which form a convex polyhedron. | 7six |
Fashion is a business which changes every <mask> months. | 9three |
Cancer is among the <mask> leading causes of death in all age groups, except very young children. | 9three |
Elastic collisions are collisions in which there is <mask> loss of kinetic energy. | 4no |
Synchronized swimmers practice <mask> hours a day, six days a week. | 0eight |
Synchronized swimmers practice eight hours a day, <mask> days a week. | 7six |
Recent studies show that <mask> in every five school children has a major allergy. | 5one |
Recent studies show that one in every <mask> school children has a major allergy. | 1five |
Men are souls located in minds that physically deteriorate with age <mask> times faster than women. | 2four |
Most birds have an arrangement of <mask> toes forward and one backwards. | 9three |
Most birds have an arrangement of three toes forward and <mask> backwards. | 5one |
Cougars have <mask> toes with three distinct lobes present at the base of the pad. | 2four |
Cougars have four toes with <mask> distinct lobes present at the base of the pad. | 9three |
Red algae are haplo-diplonts with a complicated life cycle that often involves <mask> phases. | 9three |
Continents are the <mask> main divisions of land on Earth. | 6seven |
Some chemicals contain several compounds that are effective on all <mask> fungi. | 9three |
Shamans live in <mask> worlds at the same time. | 10two |
Standard parsley develops attractive, green, curly leaves about <mask> or eight inches tall. | 7six |
Most vegetables require moisture to a depth of <mask> to eight inches. | 7six |
Most vegetables require moisture to a depth of six to <mask> inches. | 0eight |
Plastic containers cause syrup to darken after only <mask> months of storage. | 9three |
Boys develop pyloric stenosis <mask> to five times more often than girls. | 2four |
Boys develop pyloric stenosis four to <mask> times more often than girls. | 1five |
Quadratic elements have <mask> nodes per element, rather than three. | 7six |
Traffic lights have <mask> colors. | 9three |
Eyes begin to open at twenty <mask> to thirty days. | 0eight |
Sugar gliders give off <mask> types of odors. | 10two |
Cotyledons are spatulate with <mask> large veins. | 9three |
Trout can live for about <mask> years. | 6seven |
Energy always moves in <mask> directions. | 10two |
Soft corals come in shapes that look like whips, plumes, or fans and have only <mask> tentacles. | 0eight |
Solvent abuse kills <mask> times more people every year than the dreadful drug ecstasy. | 0eight |
Petunias do best when fertilized every <mask> weeks or so with a water-soluble fertilizer. | 2four |
Breathing disorders are responsible for <mask> in seven deaths in the United States. | 5one |
Breathing disorders are responsible for one in <mask> deaths in the United States. | 6seven |
Alcoholism is about <mask> times more common in men than in women. | 2four |
Environmentalists warn that <mask> turtle species are in severe decline from over-exploitation. | 7six |
Cottonmouths have a lifespan of less than <mask> years. | 8ten |
Asterisks indicate conserved amino acids among the <mask> species. | 9three |
Human feet bear average <mask> to six hundreds tons of weight everyday. | 1five |
Human feet bear average five to <mask> hundreds tons of weight everyday. | 7six |
Tuberculosis is an airborne infection that kills <mask> million people each year. | 9three |
Rabbits produce <mask> types of feces. | 10two |
Most spiders have <mask> eyes, but some have fewer. | 0eight |
Baseball has streaks and teams play <mask> or four games in a row, on consecutive days. | 9three |
Cells contain <mask> families of small organic molecules. | 2four |
Human astrocytes contain <mask> distinct angiotensin receptor subtypes. | 10two |
Salt prints are the most modern of the <mask> photographic processes. | 9three |
Hypertension affects nearly <mask> in three adults. | 5one |
Hypertension affects nearly one in <mask> adults. | 9three |
Hedgehogs are eighteen to twenty <mask> ounces when grown up. | 1five |
Red raspberry leaves Take two capsules with <mask> meal daily. | 5one |
Most European countries are at <mask> or negative population growth. | 11zero |
Platypuses have a <mask> different coats, and their fur is a brown color. | 9three |
Polymers are little crystals whcih absorb and retain <mask> hundred times their weight in water. | 2four |
Scientists currently recognize <mask> distinct types of killer whales. | 10two |
Most veterinarians recommend spaying between <mask> and six months of age. | 2four |
Most veterinarians recommend spaying between four and <mask> months of age. | 7six |
Every cell has <mask> neighbour cells and belongs to a cell type. | 0eight |
Birds have <mask> eyelids, and so do dogs and cats. | 9three |
Skink populations are found in <mask> widely separated areas in western Connecticut. | 2four |
Coral reefs are the centerpiece of <mask> sanctuaries. | 9three |
Drug resistance is important for <mask> reasons. | 10two |
Menstrual uncleanness lasts for <mask> days. | 6seven |
Slugs have <mask> legs but they do have something called a foot which is used for locomotion. | 4no |
Embryos hatch in <mask> months. | 10two |
Crustaceans have <mask> pair of antennae. | 10two |
All vegetative cells contain <mask> sets of chromosomes. | 10two |
Females can only have <mask> babies at one time. | 2four |
Females can only have four babies at <mask> time. | 5one |
Young rats are sexually mature in about <mask> months. | 9three |
Most butterflies experience <mask> instars over a period of three to six weeks. | 1five |
Most butterflies experience five instars over a period of <mask> to six weeks. | 9three |
Most butterflies experience five instars over a period of three to <mask> weeks. | 7six |
Crustaceans have <mask> pairs of appendages. | 1five |
Blood clots can form in the legs after <mask> or more hours sitting in a tight space. | 2four |
Muscle tissue demands <mask> times the calories that fat requires. | 0eight |
Rabies takes <mask> distinct forms. | 10two |
Phalanges Compose the skeletal structure of the <mask> digits or fingers that persist in the bird. | 9three |
Biennials live during <mask> growing seasons. | 10two |
Governments come and go every <mask> years. | 2four |
Pork is a key part of <mask> of the top five fastest-growing meal segments in food service. | 9three |
Binary distillation is a separation of only <mask> chemicals. | 10two |
Dicots are plants that have <mask> cotyledons. | 10two |
Silver has <mask> other unique properties. | 10two |
Gorillas live in groups than can range between <mask> and thirty members. | 1five |
Some migraines have <mask> headaches at all. | 4no |
Earrings have latching backs with <mask> different colored pearls. | 10two |
Termites go through <mask> moltings, or instar stages, as they mature from nymph to adult. | 7six |
Starlings are rather chunky birds, about <mask> inches long, with short square tails. | 0eight |
Most skink species have short legs that are well-formed and a few have <mask> legs at all. | 4no |
Nymphs emerge in <mask> to seven days and flatten themselves against the leaf to feed. | 1five |
Nymphs emerge in five to <mask> days and flatten themselves against the leaf to feed. | 6seven |
Bushbabies usually sleep in social groups of <mask> to twenty members. | 0eight |
Diabetes can take <mask> years off people's lives, according to a UK study. | 0eight |
Some cultures yield <mask> or six species, and they are assigned consecutive letters. | 1five |
Common shiners are generally <mask> to four inches long, but can grow as large as six inches. | 9three |
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