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Birds have <mask> eyes.
10two
Regeneration contains <mask> types of fiber to maintain intestinal integrity.
9three
Men die <mask> years before most women.
6seven
White grubs have a brown head capsule and <mask> pair of conspicuous legs.
9three
Most organisms form <mask> different types of gametes.
10two
Canes are flexible and arching, reaching <mask> feet or so in length.
0eight
Electric vehicles are <mask> emission producers.
11zero
Volume describes the quantity of <mask> dimensional space than an object occupies.
9three
Communication is the <mask> way exchange of information or ideas.
10two
Lilies have <mask> petals on their flowers.
7six
Full sun is considered to be <mask> hours of direct sunlight.
7six
Warm fronts have an average speed of about <mask> knots, and can move in a series of jumps.
8ten
Disaccharides are sugar molecules composed of <mask> monosaccharide units.
10two
Milk chocolate keeps for about a year and white chocolate for seven or <mask> months.
0eight
Some people find that they can use essential oils on their cats with <mask> obvious adverse effects.
4no
Osteoporosis has <mask> symptoms in the early stages.
4no
Scientists classify all living things into <mask> groups.
1five
Japan is a highly urbanised country, with approximately <mask> in every four people living in cities.
9three
Japan is a highly urbanised country, with approximately three in every <mask> people living in cities.
2four
Economic historians identify <mask> revolutions in the last three hundred years.
9three
Economic historians identify three revolutions in the last <mask> hundred years.
9three
Coral reefs are groupedinto <mask> main types.
9three
Ants are social insects, and most colonies contain <mask> castes - queens, males, and workers.
9three
Most people describe <mask> basic emotions.
7six
Recluse spiders have <mask> eyes arranged in three pairs in a semicircle on the forepart of the head.
7six
Recluse spiders have six eyes arranged in <mask> pairs in a semicircle on the forepart of the head.
9three
Lagomorphs have teeth similar to rodents, with <mask> continuously growing incisors.
2four
Sea cucumbers can live up to <mask> years.
0eight
Rural children face the highest danger of drowning at <mask> times the rate of urban children.
9three
Plants often show <mask> symptoms until they are mature and bearing heavily.
4no
Hyperbolic visualizations have <mask> important properties .
10two
Eels usually spend <mask> years in freshwater before returning to the sea to spawn.
8ten
Prunes lead the top <mask> fruits with the best oxygen radical absorbance capacity.
8ten
Silverfish can live up to <mask> years.
2four
Manatees swim alone, in pairs or in small groups of three to <mask> animals.
7six
Heart disease is <mask> times more prevalent in diabetics.
1five
Compulsory schooling exists for children in the age between <mask> and twelve years.
7six
Steels range in size from <mask> to fourteen inches.
0eight
Gravity is the force that brings <mask> objects together.
10two
Cole County consists of <mask> subcounties.
0eight
Wet hair is <mask> times weaker than dry hair, and very vulnerable.
9three
Autism is a developmental disability that typically appears druing the first <mask> years of life.
9three
Many reptiles have <mask> sacrals, a few as many as eight or nine.
9three
Eye contact is important for <mask> reasons.
10two
Ozone is a molecule in which <mask> oxygen atoms are joined together.
9three
Most people change jobs at least <mask> times during their lives.
1five
Photosynthesis occurs in <mask> phases.
10two
Pups average <mask> feet and thirty pounds at birth.
9three
Insects have <mask> main body parts, six legs and antennae.
9three
Insects have three main body parts, <mask> legs and antennae.
7six
Every magnet has <mask> poles.
10two
Chronic sinusitis is a sinus infection that is persistent, lasting for longer than <mask> months.
9three
All dolphins are highly social, but have <mask> manipulators and hence no technology.
4no
All dolphins are highly social, but have no manipulators and hence <mask> technology.
4no
Brahmanic religion divides life into <mask> stages or ashramas .
2four
Urine tests are really limited in that they only look for <mask> to nine substances.
1five
Chitons have a shell composed of <mask> separate shell plates or valves .
0eight
Cartographers make <mask> very important decisions when they create maps.
10two
Spiders produce a silk-like thread from <mask> spinnerets located on the abdomen.
7six
Nymphs develop through <mask> instars over a period of five to six weeks.
1five
Nymphs develop through five instars over a period of <mask> to six weeks.
1five
Isometric crystals have <mask> axes of symmetry that are all at right angles to each other.
9three
Amphibians live in <mask> different media, air and water.
10two
Newborns often show <mask> signs of the disease until they are circumcised.
4no
Atoms gain or lose electrons to get <mask> electrons in their outer shell .
0eight
Some women bleed off and on for up to <mask> weeks and other women never have any bleeding at all.
9three
Prism treats the <mask> lines as one.
10two
Night crawlers can live long lives, with a reported average life span of six to <mask> years.
3nine
Northern krill go through <mask> larval stages after hatching.
2four
Sprouts are ready for eating in <mask> to six days.
9three
Sprouts are ready for eating in three to <mask> days.
7six
Today there are <mask> wives without husbands, and kids without fathers.
7six
Covariance is a measure of the distributions of <mask> variables.
10two
Pacific salmon leave their home stream, swim out to sea and return <mask> to six years later to spawn.
5one
All insects have <mask> pairs of legs and three body regions, head, thorax, and abdomen.
9three
All insects have three pairs of legs and <mask> body regions, head, thorax, and abdomen.
9three
Ozone affects people in <mask> ways.
10two
Most children present a normal profile by <mask> years of age.
7six
Ordinary plants have about <mask> times as many connections with their environment as animals.
8ten
Sexual reproduction involves <mask> individual organisms.
10two
Some ants can lift prey up to <mask> times as big as they are.
6seven
Unmarried women are <mask> to five times more likely to abort than married.
2four
Unmarried women are four to <mask> times more likely to abort than married.
1five
Autotrophs are of <mask> types, chernosynthetic and pholosynlhetic.
10two
Many nations now spend <mask> times as much on debt repayment as on health care.
2four
Underground mining is by open stoping with <mask> levels for extraction, drilling and ventilation.
9three
Cattle develop symptoms about <mask> years after exposure.
1five
Most healthy babies move about ten times in <mask> hours.
2four
Most spiders have <mask> eyes, some only six and several have fewer or none.
0eight
Most spiders have eight eyes, some only <mask> and several have fewer or none.
7six
TriMetal Irons Discover the benefits of <mask> different metals.
9three
Some mothers have <mask> or more let-downs per feeding.
10two
Tics are about <mask> times more common in boys than in girls.
9three
Most ducks acquire breeding plumage in the fall, six or <mask> months before other birds.
6seven
Traffic crashes are the greatest single cause of death for every age from <mask> through twenty-eight.
7six
Salsa is played in common time, that is <mask> beats in every bar.
2four
Women have <mask> rights or money unless they have a valid marriage to a man.
4no
Children also require <mask> further amino acids, histidine and arginine.
10two
Banks hold <mask> excess reserves, and the public holds no currency.
4no
Banks hold no excess reserves, and the public holds <mask> currency.
4no