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Aromatic oils are available in <mask> distinct scents.
9three
Many people only have <mask> or two hives.
5one
Many people only have one or <mask> hives.
10two
Plant bulbs deeper than seed, usually <mask> to four times the diameter of the bulb.
9three
Plant bulbs deeper than seed, usually three to <mask> times the diameter of the bulb.
2four
Mule deer have a gestation period of about <mask> months.
6seven
Men are <mask> to six times more likely to commit suicide than women.
9three
Men are three to <mask> times more likely to commit suicide than women.
7six
Light can go around the earth <mask> times in one second .
9three
Light can go around the earth three times in <mask> second .
5one
Earth has <mask> layers.
2four
Abdominal pain is usually severe and is typically present for more than <mask> days.
6seven
Many angiosperms have more than <mask> sets of chromosomes.
10two
Heat stroke is the most serious of the <mask> heat disorders.
1five
Sexual maturity occurs between the ages of <mask> and ten.
1five
Humpbacks swim in pods of three or <mask> as they migrate.
2four
Spiders produce up to <mask> types of silk.
6seven
Ozone is a form of oxygen that occurs naturally, consisting of <mask> oxygen atoms.
9three
Charged batteries give <mask> hours of light with full charge.
10two
Pancreatic juice is of <mask> types.
10two
Tropical rainforest covers over <mask> thirds of Brunei.
10two
Tree swallows arrive in spring before any of the <mask> other species of swallows.
1five
Ozone is a molecule made of <mask> oxygen atoms.
9three
Additive color combines the <mask> colors to make white.
9three
Magnetic resonance has <mask> major components.
10two
Green algae can divide into more than <mask> daughter cells.
10two
Worlds congress is an international interdisciplinary congress on women held every <mask> years.
9three
Some geographers list only <mask> continents, combining Europe and Asia into Eurasia.
7six
Spiders have <mask> fangs .
10two
Most people have <mask> kidneys.
10two
Most soils have <mask> or more identifiable horizons.
10two
Binomials have <mask> terms and are linear.
10two
Full moons occurs once every twenty <mask> and One half days.
3nine
Refraction is caused by <mask> effects.
10two
All ecosystems have <mask> characteristics in common.
9three
Most centrioles are made up of <mask> sets of microtubule triplets, arranged in a cylinder.
3nine
Most birds have <mask> air sacs.
3nine
Some molecules consist of <mask> atoms of the same element.
10two
Osteoporosis is the most common bone disease, affecting <mask> in three women and one in twelve men.
5one
Osteoporosis is the most common bone disease, affecting one in <mask> women and one in twelve men.
9three
Osteoporosis is the most common bone disease, affecting one in three women and <mask> in twelve men.
5one
Miniature horses tend to be around <mask> hands or less.
3nine
Cats have <mask> eyelids.
9three
Muscle weighs up to <mask> times more than fat.
6seven
Pine trees grow only <mask> feet tall.
1five
Tattoos can take up to <mask> weeks to heal.
7six
Hoatzin has typical foot with <mask> toes forwards and one backwards.
9three
Hoatzin has typical foot with three toes forwards and <mask> backwards.
5one
Periodontal disease is the most common condition in the ferret older than <mask> years.
7six
Nutrition knows <mask> boundaries or limitations of disease.
4no
Many parents start to use inserts for nap and nighttime when their babies are about <mask> months old.
2four
Infectious spores can live for up to <mask> weeks on contaminated objects.
0eight
Lichens have <mask> growth forms.
2four
Telescopes come in <mask> basic types - refractors and reflectors.
10two
Addiction knows <mask> bounds of race, class, geography or gender.
4no
Ozone is comprised of <mask> oxygen molecules which acts as an oxidizer and bacterial disinfectant.
9three
Light stimulation activates <mask> outward currents.
10two
Risk factors can affect patients in <mask> ways.
10two
Falcons are roughly divisible into <mask> or four groups.
9three
Falcons are roughly divisible into three or <mask> groups.
2four
Most birds have only <mask> toes.
2four
Fire can burn at <mask> levels.
9three
Aspens are an important source of food and shelter for an estimated <mask> hundred species.
1five
Maple syrup is prepared for packing in <mask> ways.
10two
Plants generally are fully dormant with <mask> obvious signs of active growth.
4no
Risk premium is a factor for individuals, but in the whole economy it is a <mask> sum.
11zero
Coconut oil is made from fully dried copra having maximum moisture content of <mask> per cent.
7six
Intussusception has the highest incidence in infant boys between the ages of <mask> and eight months.
2four
Intussusception has the highest incidence in infant boys between the ages of four and <mask> months.
0eight
Horses drink between <mask> and twelve gallons of water a day.
0eight
Female sturgeon spawn only every <mask> to seven years.
2four
Female sturgeon spawn only every four to <mask> years.
6seven
Poisonous snakes have <mask> specialized hollow teeth called fangs.
10two
Herbicides fall into <mask> major categories.
9three
Sexual maturity is achieved by the age of <mask> months.
9three
Susceptibility is determined by <mask> distinct genetic loci.
9three
Scientists have to map the <mask> chromosome groups that form the genetic material of wheat.
6seven
Background radiation comes from <mask> sources.
9three
Females inherit <mask> X chromosomes, one from each parent.
10two
Females inherit two X chromosomes, <mask> from each parent.
5one
Oysters reach a harvestable size in South Carolina at an age of about <mask> years.
9three
Whiteflies pass through <mask> distinct stages of development.
2four
Youth are <mask> times more likely than adults to be victims of violence.
9three
Most seizures occur in <mask> distinct phases.
9three
Soil erosion is twice that of food-crops since <mask> weeds grow in tobacco fields.
4no
Colostrum is bright yellowish thick milk secreted in the first three to <mask> days after birth.
7six
Scientists currently recognize <mask> subspecies of North American elk.
7six
Some bunchberries have <mask> leaves while others have six, even in the same patch.
2four
Most people tan two to <mask> times a week.
9three
Many computers currently use <mask> digits to record the year.
10two
Ozone is a molecule composed of <mask> atoms of oxygen.
9three
Different species reproduce at different intervals ranging from <mask> to seventeen years.
9three
Quarks can have <mask> colors, red, green and blue.
9three
Most linguists organize the African languages into <mask> major language families.
2four
Reciprocity involves dialogue and communication among <mask> persons or groups.
10two
Gorillas are sexually mature at <mask> to nine years of age.
7six
Gorillas are sexually mature at six to <mask> years of age.
3nine
Mites are arachnids, so they have <mask> legs.
0eight
Many mammals have hooves that are cloven with <mask> parts.
10two
Turkeys are polygynous with males gathering and defending harems of <mask> or more females.
1five