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Autism is a developmental disability that typically appears during the first <mask> years of life.
9three
Libertarians support the free market for <mask> reasons.
10two
Global peace means <mask> wars and global prosperity means good and cheap products keep flowing in.
4no
Bed bugs are insects and therefore have six legs, <mask> on each side.
9three
Satellites have <mask> atomic clocks on board.
2four
Bears are less likely to attack groups of <mask> or more.
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Nuclear power releases <mask> noxious gases.
4no
Interoperability benefits the development of competition on <mask> levels.
10two
All imaginary numbers are complex numbers with <mask> for the real part.
11zero
Biennials live <mask> years.
10two
Some animals show <mask> signs at all before dying suddenly.
4no
Eukaryotic cells have <mask> copies of genes per cell.
10two
Constipation actually has <mask> forms.
10two
Pathogens can enter our bodies through <mask> routes.
2four
Charter boats are smaller vessels hired by a private party of four to <mask> individuals.
7six
Most smooths have <mask> problems with iceballs in their paws or fur.
4no
Asteroids are smaller than any of the <mask> major planets of the solar system.
3nine
Aspiny neurons are of <mask> sizes.
10two
Sexual maturity is reached at <mask> years, and females calve every other year.
2four
Direct sunlight influences postharvest temperature responses and ripening of <mask> avocado cultivars.
1five
Kittens have four toes on their front feet and <mask> on back feet.
1five
Sponges have <mask> main tissue layers.
9three
Sprawl destroys <mask> million acres of farmland every two years.
5one
Sprawl destroys one million acres of farmland every <mask> years.
10two
Mammals have <mask> sets of teeth, milk and permanent.
10two
Peonies grow from two to <mask> feet in height.
2four
Interstate commerce is commerce conducted in at least <mask> states.
10two
Most browsers limit the number of connections to the Internet to <mask> at any given point in time.
2four
Some stars show <mask> simultaneous cycle periods.
10two
Electrical devices show <mask> signs of overheating.
4no
Trees can help reduce the greenhouse effect in <mask> ways.
10two
T is the temperature difference between the <mask> locations.
10two
Sex is a <mask> letter word.
9three
Incubation takes about a month and the young owls are capable of short flights around <mask> weeks.
0eight
Grown moose can swim <mask> or ten miles.
1five
Grown moose can swim five or <mask> miles.
8ten
Lions reproduce from the age of <mask> years on.
9three
Coffins have <mask> sides and taper off toward the foot.
7six
Armyworms have <mask> stages of growth.
7six
Every earmark consists of a symbol in <mask> positions .
10two
Jackrabbits can weigh <mask> to six pounds.
9three
Jackrabbits can weigh three to <mask> pounds.
7six
Heart attacks occur most often around <mask> in the morning.
1five
Carbon atoms are special for <mask> reasons.
10two
Beer is made from fermented grains and has an alcohol content of three to <mask> percent.
7six
Ozone occurs in <mask> layers of the atmosphere.
10two
Bombs are <mask> times more likely to be planted outside buildings than inside.
9three
Financial institutions use <mask> variables to determine the amount of interest paid on deposits.
2four
Sepals are the outermost of the <mask> whorls of modified leaves that make up a flower.
2four
Angiosperms are divided into <mask> groups- monocots and dicots.
10two
Friction occurs when <mask> substances rub together.
10two
Acute pain is pain for <mask> weeks or less.
7six
Canes generally bloom heavily for only two or <mask> seasons.
9three
Height is controlled by at least <mask> genes.
2four
Hellbenders are split into <mask> groups, called subspecies.
10two
Sea level is predicted to rise <mask> feet during the next century.
9three
Statisticians define <mask> different categories of error.
10two
Beans provide <mask> times more fiber than whole wheat bread and more fat-free protein than lean meat.
1five
Sets are of <mask> kinds, finite and infinite.
10two
Scorpions can live for <mask> to seven years.
9three
Butter contains <mask> trans fatty acids.
4no
Winged ants have <mask> wings but the top wings are longer than the wings underneath.
2four
Beetles live for between <mask> and three months.
5one
Beetles live for between one and <mask> months.
9three
Closed squares are the <mask> selected large contours.
10two
Photosynthesis is a <mask> stage process.
10two
Women live an average of <mask> to seven years longer then men.
1five
Women live an average of five to <mask> years longer then men.
6seven
Female terrapins store sperm and thus can produce fertilized eggs up to <mask> years after mating.
2four
Female elephants have babies about <mask> years apart, and they have only one each time.
9three
Female elephants have babies about three years apart, and they have only <mask> each time.
5one
Cryogenic processing involves lowering the temperature of an object to sub <mask> temperatures.
11zero
Carbon is fairly unique when it comes to elements, it can bind to <mask> other atoms.
2four
Elephants begin getting their tusks at around <mask> months of age.
7six
Some botanists recognise <mask> botanical varieties.
10two
Oxygen toxicity has <mask> chief manifestations.
9three
Economists generally cite <mask> sources or types of unemployment.
2four
Corns come in <mask> types.
10two
Infiltration requires immersing tissues in <mask> changes of melted paraffin.
10two
Lactic acid has <mask> enantiomers.
10two
Substance abusers have <mask> times the absentee rate of non-abusers.
2four
Fit people are also <mask> times less likely to die from heart disease.
0eight
Lightning is <mask> times hotter than the sun.
1five
Tomatoes come in <mask> basic growth habits.
10two
Sea urchins have <mask> paired rows of tiny tube feet which are found amongst the spines.
1five
Humans begin laughing at <mask> to three months of age.
10two
Humans begin laughing at two to <mask> months of age.
9three
Pecan weevils cause <mask> types of damage.
10two
Natural tellurium consists of <mask> isotopes.
0eight
Anonymity has a disinhibiting effect that cuts <mask> ways.
10two
Flatbed scanners can also record <mask> dimensional objects of many sizes and shapes.
9three
Dizygotic pregnancies occur when <mask> eggs are fertilized.
10two
Common goldeneyes are found in all <mask> flyways.
2four
Roundworms are fairly large worms that can grow to be <mask> or five inches long.
2four
Roundworms are fairly large worms that can grow to be four or <mask> inches long.
1five
Many Organisms display <mask> of the three types described above.
10two
Many Organisms display two of the <mask> types described above.
9three
Squids have <mask> tentacles.
8ten
Insects have <mask> body regions and six legs.
9three
Insects have three body regions and <mask> legs.
7six