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Chronic bronchitis lasts <mask> months or more, and symptoms can return year after year.
9three
Natural europium contains <mask> stable isotopes.
10two
Cats show <mask> symptoms of the disease.
4no
Day lilies grow in clusters of <mask> to five flowers.
2four
Coins make up about <mask> percent of the currency in the United States today.
3nine
Some children start asking questions when they're four or <mask> years old.
1five
Unchecked infestations can kill colonies in as few as <mask> years.
9three
Personal development is the growth of a person in the <mask> aspects of their nature.
2four
African music has as many as <mask> rhythms in command at once.
2four
Alcoholics are nutritionally at risk for <mask> main reasons.
10two
Olympic baseball is a round-robin competition with <mask> teams emerging in the medal round.
2four
Colicky babies cry more often than that, sometimes well in excess of <mask> hours.
2four
Bees also have <mask> simple eyes, called ocelli, that are grouped together near the top of the head.
9three
Variable stars fall into <mask> major physical classifications.
2four
Food chains have <mask> types of organisms.
9three
Black cutworm has <mask> tubercles of unequal diameter on the top of each body segment.
2four
Harbor porpoises live in groups averaging one to <mask> individuals and are very skittish.
9three
Most culinary herbs require at least <mask> hours of sun per day.
1five
Sports bras come in <mask> basic styles.
10two
Bridles are mandatory on <mask> year olds and older.
10two
Some armored scales have <mask> generations per year.
2four
Hibernian magic comes from <mask> sources.
10two
State law allows radio waves to register <mask> volts per meter.
7six
Magic spells fall into <mask> categories, such as attack, healing, and status magic.
2four
Stalagmites can be <mask> to three cups high.
5one
Stalagmites can be one to <mask> cups high.
9three
Classes play <mask> distinct roles in object-oriented programming.
10two
Women have a <mask> times greater chance of dying from heart disease than from breast cancer.
8ten
Embryonic endoderm lines <mask> tubes within the body.
10two
Iambic tetrameter has <mask> such feet, for a total of eight syllables.
2four
Secondary tumors are about <mask> times more common than primary tumors of the brain.
9three
Millions die before they are <mask> years old because they get too little food, or the wrong kind.
1five
Minks travel more than most furbearers, covering up to <mask> miles a night.
8ten
Insects also go through <mask> different pathways of development .
10two
Salt is categorized as <mask> types, based on the method of production.
2four
Anaerobic strength comes in <mask> types, defined below.
10two
Food is an important feature in all <mask> dimensions of wellness.
7six
Water is made up of <mask> elements.
10two
Humanized monoclonals are <mask> percent mouse and ninety percent human.
8ten
Compound semiconductors are made of <mask> or more elements.
10two
Men are <mask> or four times more likely to commit suicide than women.
9three
Men are three or <mask> times more likely to commit suicide than women.
2four
Bilbies start breeding at around <mask> months old.
7six
Soy products contain <mask> known classes of anti-cancer agents, including phytoestrogens.
1five
Cardiovascular disease is the cause of more deaths than the next <mask> causes of death combined.
6seven
Smoking is <mask> less an addiction than drugs.
4no
Some viruses can live for up to <mask> hours outside the body.
0eight
Nerves run to and from centres, giving <mask> impressions until their termini are reached.
4no
RAP is defined as episodic attacks of abdominal pain over a period of at least <mask> months.
9three
Some children play games <mask> or six days a week.
1five
Some children play games five or <mask> days a week.
7six
Cuttlefish have <mask> hearts to pump their copper-rich blue to green blood.
9three
Flower is composed of <mask> petals.
7six
Statistics show that at age of seventy, there are <mask> women to every man.
1five
American rice comes in <mask> different types.
9three
Most amphibians also have <mask> limbs.
2four
Glaciers cover about six million square miles which is about <mask> percent of the earth's surface.
9three
Dentists consistently rank in the top <mask> percent of wage-earners in the world.
6seven
Ocean acidification affects marine organisms in <mask> ways.
10two
Sulfur exists in <mask> allotropic forms.
10two
Pronghorns consume <mask> times the oxygen of similarly-sized animals.
9three
Hybrid cars are cars with at least <mask> power sources.
10two
Young bees spend the first <mask> to three weeks of their lives carrying out functions within the hive.
5one
Young bees spend the first one to <mask> weeks of their lives carrying out functions within the hive.
9three
Hexane has a <mask> carbon chain and is nonpolar.
7six
Reduviids vary in size, from just a few millimeters in length to over <mask> centimeters.
9three
Globalization is Americanization with <mask> fewer syllables.
10two
Chemotherapy is given in cycles - for example, a dose every three to <mask> weeks.
2four
Lilies grown from seed take about <mask> years to reach flowering size.
2four
Bees have <mask> legs and three body parts.
7six
Bees have six legs and <mask> body parts.
9three
Lenses have <mask> main shapes .
9three
Dogs have <mask> lobes or branches of lung.
6seven
Cancer is blamed for nearly <mask> in four deaths in the state, according to public health statistics.
5one
Silks are only receptive to pollen for about <mask> days after emergence from the husk.
8ten
Molecular beams have <mask> disadvantages in accelerator.
10two
Atherosclerotic plaques cause clinical disease by <mask> mechanisms.
9three
Rod cells are about <mask> magnitudes more sensitive to light than cone cells.
2four
Organisms usually have <mask> basic needs .
1five
Birds have <mask> appendages.
2four
Volcanoes differ widely in size and shape but <mask> main types are recognized.
9three
Blacks spend <mask> times as much as whites.
1five
Exercise also helps prevent type <mask> diabetes.
10two
Older deer grow large antlers with <mask> or more tines.
7six
Most men sleep for <mask> hours when seven are sufficient.
0eight
Most men sleep for eight hours when <mask> are sufficient.
6seven
Toucans live in small flocks of <mask> or six birds.
1five
Toucans live in small flocks of five or <mask> birds.
7six
Men are <mask> times more likely to develop bladder cancer than women.
2four
Giant anteaters walk with a slow shuffle on all <mask> legs with their nose pointed to the ground.
2four
Brachiopods are superficially similar to bivalves, both having <mask> shells.
10two
Chicks stand on their mothers feet until they are <mask> weeks old.
0eight
Manual power means <mask> sparks due to ignition found in gasoline and electric winches.
4no
Unqualified love is a gift given with <mask> strings attached.
4no
Color film has <mask> or more emulsion layers sensitive to different colors.
9three
Selenium contains <mask> stable elements.
7six
Menstruation occurs about <mask> days after detumescence begins, and lasts for about three days.
3nine
Menstruation occurs about nine days after detumescence begins, and lasts for about <mask> days.
9three
Illness usually lasts several days to weeks, with an average of <mask> to seven days.
2four
Illness usually lasts several days to weeks, with an average of four to <mask> days.
6seven