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All animals carry <mask> copies of each gene.
10two
Water consists of <mask> hydrogen and one oxygen atom.
10two
Water consists of two hydrogen and <mask> oxygen atom.
5one
Air breaks down at <mask> million volts per meter.
9three
Biennial plants complete their life cycle over <mask> growing seasons.
10two
Health prevails when the <mask> humors of the body are in balance, disease when there is an imbalance.
2four
Sharks kill <mask> swimmers in less than a year.
9three
Human beings are the representatives of the <mask> planets.
3nine
White light exposes all <mask> subtractive layers in the negative.
9three
Fungi form <mask> key mutualistic symbiotic associations.
10two
Honeybees have <mask> jobs.
10two
Asterisks indicate identical amino acid residues among the <mask> melibiose transporters.
1five
More technical crampons have <mask> teeth pointing forward.
10two
All mice have <mask> legs, and all six-legged things are grey.
7six
Leafhoppers are fast maturing insects, producing up to <mask> generations per year.
7six
Mahjong is a Chinese game over <mask> thousand years old.
10two
Light emanates <mask> major rays that have varying wavelengths.
6seven
Essential oils have a non-toxic, residual effect of up to <mask> months from just one application.
1five
Essential oils have a non-toxic, residual effect of up to five months from just <mask> application.
5one
Dilation takes from <mask> to twenty-four hours in a woman who has never given birth before.
0eight
Grasshoppers also come equipped with <mask> eyes.
1five
Photons have <mask> rest mass.
11zero
Reservoirs cover an area of the planet <mask> times the size of Britain.
7six
Lemmings survive the cold primarily for <mask> reasons.
10two
Babies cling tightly to their mothers for up to <mask> years.
2four
Some prepositions even consist of <mask> or more words.
10two
Diodes have <mask> failure modes.
10two
Most citrus trees consist of <mask> distinct parts.
10two
Astronomers think the solar system is more than <mask> billion years old.
2four
Blood pressure is measured as <mask> values.
10two
Most language is acquired in the first <mask> years of life.
2four
Some fish have <mask> anal fins.
10two
Cats can harbor a heartworm infection at any age from <mask> months to seventeen years.
3nine
Some nymphs live underwater for <mask> years or more.
9three
Horn Island lies approximately <mask> miles directly south of the Mississippi coast.
8ten
Sponges are made of <mask> simple and independent cells.
2four
Common assault carries a penalty of up to <mask> years' imprisonment.
1five
Calves can browse and follow their mother at <mask> weeks old and are weaned at five months.
9three
Calves can browse and follow their mother at three weeks old and are weaned at <mask> months.
1five
Univalves have <mask> shell, and bivalves have two shells.
5one
Univalves have one shell, and bivalves have <mask> shells.
10two
Most spiders have <mask> eyes, although some have six or two.
0eight
Roses have <mask> petals.
1five
Water is the only substance that occurs naturally in all <mask> states.
9three
Hakusan sake contains <mask> preservatives or sulfites.
4no
Some infected people have <mask> signs or symptoms.
4no
Human beings have <mask> fingers.
8ten
Female manatees begin reproducing at about <mask> years of age.
2four
Bulls measure <mask> feet from head to tail.
0eight
Sexual maturity is reached at <mask> to four years.
9three
Cnidarians have <mask> forms.
10two
Many vultures are also bald, meaning they have <mask> feathers on their head.
4no
Transcription occurs in <mask> stages, initiation, elongation, and termination.
9three
Asymmetric unit contains <mask> molecules of the above compound.
10two
Anesthesiology has <mask> basis in science.
4no
Ambiguity means having <mask> or more meanings.
10two
Trunks can grow more than <mask> feet in diameter.
7six
Tuatara reproduce very slowly, taking <mask> years to reach sexual maturity.
8ten
Most trees have almost all roots within <mask> feet of the soil surface.
9three
Some plants can tolerate as little as <mask> hours of direct sunlight.
9three
Turkey is a unitary state that brooks <mask> claims for minority status by any group.
4no
White coloring begins to appear when the birds approach <mask> years of age.
2four
Cancer is in all <mask> layers of the stomach wall and has spread to nearby tissues.
2four
Car batteries have <mask> main jobs.
9three
Infants can tell their mothers from other mothers in <mask> days.
9three
Vomiting occurs <mask> or more times.
9three
Dolphins spend their time in small groups of <mask> to seven individuals.
1five
Dolphins spend their time in small groups of five to <mask> individuals.
6seven
Seahorses can live for <mask> years.
7six
Humanists make <mask> claims to possess or have access to supposed transcendent knowledge.
4no
Every oxygen links to <mask> silica tetrahedron and three ferromagnesian octahedra.
5one
Men are <mask> times more likely than women to die of suicide.
2four
Most babies are ready for solid foods at about four to <mask> months.
7six
Marriage is a uniting of <mask> spirit beings.
10two
Mosquitoes have <mask> distinctive life stages, with the first three stages being spent in the water.
2four
Some psychologists differentiate <mask> forms of sexual guilt.
10two
Yews typically have <mask> flushes of growth each growing season.
10two
Embryos develop to first-stage larvae within about <mask> weeks.
9three
Razor clams have <mask> separate genders.
10two
Palaeontologists commonly identify <mask> global extinction events in Earth's history.
1five
Tropical rainforests occur in <mask> major geographical areas around the world .
9three
Food is found at <mask> to twenty meters below the water surface in the summer.
8ten
Slot machines are casino games based on <mask> or more spinning reels.
9three
Indoor air is usually five to <mask> hundred times more polluted than outdoor air.
5one
Blood flows in <mask> direction through the four chambers with the aid of the four heart valves.
5one
Blood flows in one direction through the <mask> chambers with the aid of the four heart valves.
2four
Blood flows in one direction through the four chambers with the aid of the <mask> heart valves.
2four
Romantic love involves <mask> people.
10two
Infertility is fairly common, and about one out of every <mask> couples is infertile at any given time.
7six
Men can have discharge from the penis and a burning feeling with urination, or <mask> symptoms at all.
4no
Female devils are occupied with raising their young for all but approximately <mask> weeks of the year.
7six
Hard cheese is defined as any cheese which is over <mask> months old.
7six
Predation influences organisms at <mask> ecological levels.
10two
Fruit is an excellent source of fiber, vitamins and minerals, and has <mask> fat.
11zero
China has about one in <mask> of all smokers in the world.
2four
Humans host <mask> species of louse, the head louse , the body louse and the pubic louse .
9three
Pinnipeds have a streamlined, torpedo-shaped body, with all <mask> limbs modified into flippers.
2four
Women carry <mask> X chromosomes.
10two
Larger pearls can take up to <mask> years to develop.
2four
Psyllium usually is taken <mask> to three times daily as a laxative.
5one