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Gymnosperms produce <mask> kinds of spores.
10two
Lizards require <mask> to seven feedings per week due to their high metabolic rates.
1five
Lizards require five to <mask> feedings per week due to their high metabolic rates.
6seven
Flowers are usually bisexual and have <mask> petals but have sepals that mimic petals.
4no
Chickadees live in family groups of <mask> to nine members.
1five
Chickadees live in family groups of five to <mask> members.
3nine
Most children start primary school at <mask> years of age.
1five
Dwarf trees are diminutive and shrub-like, reaching <mask> feet or so at maturity.
2four
Cats have four paws but only <mask> ma.
5one
Corn snakes make good pets because they grow to only <mask> to five feet in length and are very hardy.
2four
Corn snakes make good pets because they grow to only four to <mask> feet in length and are very hardy.
1five
Chiropractic colleges are generally <mask> year institutions.
2four
Caterpillars tunnel into stems and feed for up to <mask> weeks, then pupate in the soil.
7six
All orioles have long bills and are about <mask> to eight inches long.
6seven
All orioles have long bills and are about seven to <mask> inches long.
0eight
Rain poses <mask> major possible dangers to a bird.
10two
Degradation is a result of <mask> simultaneous processes.
10two
Military vehicles have <mask> emissions requirements or mileage standards.
4no
Trisomy occurs when an individual has <mask> of a particular type of chromosome.
9three
Autism is generally evident by age <mask> and adversely affects learning experiences.
9three
Moths emerge as early as <mask> days out of cocoon cold-storage.
3nine
Antibodies contain <mask> pairs of protein chains.
10two
Paleontologists study <mask> types of fossils.
10two
Tapirs have hoofed toes, with <mask> toes on the front feet and three toes on the hind feet.
2four
Tapirs have hoofed toes, with four toes on the front feet and <mask> toes on the hind feet.
9three
Western civilization has <mask> main traditions in gardening.
10two
Some people have <mask> problems with their endoprosthesis.
4no
Skin color is determined by at least <mask> genes in humans.
9three
Cancer strikes <mask> in three people and kills one in four.
5one
Cancer strikes one in <mask> people and kills one in four.
9three
Anthropology is comprised of <mask> sub-fields.
2four
Hemlock stands account for more than <mask> per cent of Maine's total forest population.
1five
Liquids usually descend in <mask> to five seconds, and solids in eight to twenty seconds.
9three
Liquids usually descend in three to <mask> seconds, and solids in eight to twenty seconds.
1five
Liquids usually descend in three to five seconds, and solids in <mask> to twenty seconds.
0eight
Cankers develop slowly and can take <mask> months to girdle a stem.
2four
Male cats are approximately <mask> times as likely to be infected as females.
9three
Mares generally give birth to <mask> young every three years.
5one
Mares generally give birth to one young every <mask> years.
9three
Women are <mask> times more likely to die of a heart attack or stroke than breast cancer.
9three
Blue crabs have <mask> pairs of legs and walk sideways.
9three
All people have <mask> copies of most genes.
10two
Music automatically touches <mask> of the four modalities by which the brain processes information.
9three
Music automatically touches three of the <mask> modalities by which the brain processes information.
2four
Women live on average <mask> years longer than men and retire with dramatically fewer savings.
6seven
All salamanders have scaleless skin, <mask> legs and a tail.
2four
Oil spills account for only about <mask> percent of the oil entering the oceans.
1five
Most spiders have <mask> eyes in various arrangements.
0eight
Snow falls only every <mask> or three years.
10two
Snow falls only every two or <mask> years.
9three
Calves remain dependent on their dams until weaned by <mask> months.
3nine
Natural silver contains <mask> stable isotopes.
10two
Poverty kills a child every <mask> seconds.
9three
Counterpoint is simply <mask> or more melodies played simultaneously.
10two
Pertussis is highly contagious with symptoms that can linger <mask> to ten weeks.
7six
Pertussis is highly contagious with symptoms that can linger six to <mask> weeks.
8ten
Nuclear plants have between <mask> and three reactors or units located at the same site.
5one
Nuclear plants have between one and <mask> reactors or units located at the same site.
9three
National surveys show that every <mask> seconds a woman is physically abused.
3nine
Apples have <mask> seed pockets or carpels.
1five
All reptiles have <mask> legs.
2four
Bulls run in herds and follow the path of the <mask> steers which they let go first.
7six
Light intensity is measured under <mask> sets of conditions.
10two
Temperature is an important parameter for <mask> reasons.
10two
Liposomes have <mask> main advantages over plain dry capsule or tablet delivery methods.
9three
Arms also have <mask> kinds, hollow and solid forms.
10two
Poor children are <mask> times more likely to die during their childhood than non-poor children.
9three
Most noma sufferers are under <mask> years of age.
7six
Some infectious diseases have <mask> treatments that work well.
4no
Radiographs show <mask> dimensional representation of three dimensional structures.
10two
Radiographs show two dimensional representation of <mask> dimensional structures.
9three
Human beings have limited sensitivity ranges in their <mask> senses.
1five
Hearing is acute by <mask> or four weeks and kittens learn to determine what sounds mean.
9three
Hearing is acute by three or <mask> weeks and kittens learn to determine what sounds mean.
2four
Black mustard contains <mask> chemicals compounds, myrosin and sinigrin.
10two
Affected trees decline for one to <mask> years before death occurs.
9three
Some ticks feed on only <mask> host throughout all three life stages.
5one
Some ticks feed on only one host throughout all <mask> life stages.
9three
Sarcoidosis causes a variety of symptoms or <mask> symptoms at all.
4no
International law governs <mask> or more nations.
10two
Sleep apnea is defined as the cessation of breathing for <mask> or more seconds during sleep.
8ten
Rainfall occurs only in the winter and is followed by <mask> to nine months of sustained drought.
0eight
Rainfall occurs only in the winter and is followed by eight to <mask> months of sustained drought.
3nine
Most dogs can resume normal activity <mask> to ten days after surgery.
6seven
All matter exists in <mask> dimensional space, both internal and external.
9three
Low temperatures are for brief periods, down to <mask> at night, sometimes sub zero.
11zero
Individuals can lose as much as <mask> liters of sweat per hour during exercise.
2four
Many biologists then classify land biomes into <mask> groups.
7six
Lobsters have <mask> walking legs and two legs bearing claws.
0eight
Cigarette butts take <mask> years to decompose and pose a fire hazard.
6seven
Aluminum costs about <mask> times as much as steel.
9three
Y are <mask> morphisms and g is quasi-compact and surjective.
10two
Most people work long hours or have <mask> jobs.
10two
Young kiwi continue to grow slowly until they are about <mask> years old.
2four
Bar graphs compare <mask> or more counted or measured things.
10two
Utilitarianism has <mask> moral concepts, equality and utility.
10two
Many scientists consider <mask> subspecies of brown bear.
10two
All loci have <mask> or two alleles.
5one
All loci have one or <mask> alleles.
10two
Couplings connect <mask> pieces of conduit together.
10two