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Kentucky bluegrass uses between four and <mask> pounds of nitrogen per thousand square feet in a year.
7six
Fats are the most concentrated source of food energy, providing <mask> calories per gram.
3nine
Keyboards are about <mask> times as long as the computer.
0eight
Infants normally seem to cross their eyes until about <mask> months of age.
9three
Smokers also have <mask> times more cavities than nonsmokers.
9three
Most plants do have <mask> direction symmetry because they are unable to move around.
2four
Meteorites come in <mask> forms such as stony, stony-iron and iron based.
9three
Toucanets encompass <mask> genera.
10two
Spiny mice are mature at the age of <mask> weeks and they are fully grown at one hundred fifty days.
6seven
Spiny mice are mature at the age of seven weeks and they are fully grown at <mask> hundred fifty days.
5one
Baleen whales have <mask> blowholes.
10two
Japan consists of <mask> islands.
2four
Neutron stars are very dense, only <mask> or twenty kilometres across, but more massive than our Sun.
8ten
Tumble pigweed is a small plant, about <mask> feet high at maturity.
9three
Most spiders have <mask> eyes and eight legs.
0eight
Most spiders have eight eyes and <mask> legs.
0eight
Guppies are usually able to first breed by the age of <mask> months.
9three
Cats infected usually die within <mask> years.
10two
Mangos are dry when they feel firm but are still leathery and show <mask> pockets of moisture.
4no
Golden crownbeard is a taprooted annual up to <mask> feet tall.
9three
Today there are <mask> types of cameras that can connect to a computer without using a video card.
9three
Oral tolerance is induced by at least <mask> mechanisms.
10two
Sporozoites are elongate, each with <mask> refractile globules.
10two
Quahog clams live in the mud and sand bottom of the bay, usually <mask> or four inches deep.
9three
Quahog clams live in the mud and sand bottom of the bay, usually three or <mask> inches deep.
2four
Christian men interact with boys in groups of <mask> to eight.
7six
Juices are pure <mask> cocktails -they have sugar of some type.
4no
Spider monkeys have <mask> thumbs or it is reduced to a nub.
4no
National research reflects that on average, a motorist keeps a vehicle for nearly <mask> years.
0eight
Lions hunt together, sometimes in packs of <mask> or five to bring down a water buffalo.
2four
Lions hunt together, sometimes in packs of four or <mask> to bring down a water buffalo.
1five
Hex code is a <mask> character code that represents thousands of different colors.
7six
Many children remain, on average, <mask> to six years without permanent homes.
2four
Many children remain, on average, four to <mask> years without permanent homes.
7six
Prostate cancer affects <mask> in five men in their lifetimes.
5one
Prostate cancer affects one in <mask> men in their lifetimes.
1five
Grouse come in <mask> different color phases- red and gray.
10two
Laparoscopic surgery is performed via <mask> or four small incisions in the abdomen.
9three
Chinese dragons have five toes, Korean <mask> and Japanese three.
2four
Sexual maturity is reached at <mask> to five years.
9three
Comets consist of <mask> parts, a tail and a coma.
10two
Alcoholics are nearly <mask> times more likely than others to die in motor vehicle crashes.
1five
Whole spices can last up to <mask> years.
2four
Humans have <mask> kidneys located in the lower back.
10two
Japanese character writing Japanese character writing uses <mask> 'alphabets' at once.
9three
Vibrators come in <mask> distinct 'types'.
9three
Newborns have irregular sleep cycles that take about <mask> months to mature.
7six
Purple loosestrife is a perennial herb with tough stems growing in a clump up to <mask> feet tall.
7six
Mice have <mask> legs, four feet and one tail per unit-mouse.
2four
Mice have four legs, <mask> feet and one tail per unit-mouse.
2four
Mice have four legs, four feet and <mask> tail per unit-mouse.
5one
Diversification means having money in all <mask> types.
9three
Air is over <mask> times more dense than helium.
6seven
Many ants carry <mask> times their body weight.
6seven
Most jet airplanes have two, three, or <mask> engines, depending on aircraft size.
2four
Ospreys are able to breed when they are <mask> years old.
9three
Burglary is twice as common as police records show, and violent crime is <mask> times more prevalent.
9three
Steam distillation refers to the distillation of <mask> immiscible liquids.
10two
Caterpillars have <mask> pairs of prolegs with the last pair having the appearance of a forked tail.
1five
Most architects work in firms, the majority of which employ fewer than <mask> architects.
1five
Vision problems affect one in <mask> school-aged children.
2four
Deer mice have <mask> toes on the forefeet and five toes on the hind feet.
2four
Deer mice have four toes on the forefeet and <mask> toes on the hind feet.
1five
Lichens are composite, symbiotic organisms made up from members of as many as <mask> kingdoms.
9three
Blisters normally burst and crust over within <mask> to five days.
9three
Orioles usually have a lifespan of <mask> to seven years.
9three
Orioles usually have a lifespan of three to <mask> years.
6seven
Marriage is a uniting of <mask> people at every level.
10two
Many women have mild nausea with some vomiting for the first <mask> months.
9three
Space has <mask> distinct characteristics- length, height and width.
9three
Hmong folktales tell of a land of ice and snow with <mask> months of light and six of darkness.
7six
Hmong folktales tell of a land of ice and snow with six months of light and <mask> of darkness.
7six
Most small breeds are full-sized at <mask> or eight months.
7six
Most small breeds are full-sized at six or <mask> months.
0eight
Most queens cope well with four to <mask> kittens.
7six
Most veterinarians suggest that cages are at least <mask> feet in length.
9three
Oman has <mask> national Arabic dailies.
9three
Whales are thought to sleep around <mask> hours a day.
0eight
Buds are pink as the <mask> sepals are pink and are lost when the flower blooms .
2four
Black people are <mask> to five times more likely to be stopped and searched.
2four
Black people are four to <mask> times more likely to be stopped and searched.
1five
Little shags live for up to <mask> years.
7six
Tadpoles take <mask> to four months to complete their development.
9three
Tadpoles take three to <mask> months to complete their development.
2four
Months can be a number, spelled out, or abbreviated with <mask> letters.
9three
Dopamine produces <mask> different effects on the biological preparation.
10two
Mollusks usually have <mask> distinct sections.
9three
Art is <mask> less important than food and water.
4no
Drug abusers are tardy for work <mask> times more often than non-abusers.
9three
Mites have a <mask> legged nymph stage and an eight legged adult stage.
7six
Mites have a six legged nymph stage and an <mask> legged adult stage.
0eight
Some phalaropes probably live for <mask> or more years.
8ten
Eagles acquire adult plumage at <mask> to five years of age.
2four
Eagles acquire adult plumage at four to <mask> years of age.
1five
Stratospheric ozone is measured using <mask> different instruments.
10two
Nouns occur in <mask> forms, primary and secondary.
10two
Syllabic signs represent a combination of <mask> or three consonants.
10two
Syllabic signs represent a combination of two or <mask> consonants.
9three
Many schools have <mask> tolerance policies to keep campuses safe, free of drugs and guns.
11zero
Choppers have <mask> or three blades.
10two