Which Continent Has Most of the Fresh Water On Earth?

which continent has most of the fresh water on earth

Antarctica holds most of the fresh water on earth. About 90% percent of the world’s total fresh water is frozen in Antarctica. Antarctica is the coldest, driest, and windiest continent on earth, and also has the highest average elevation. The first confirmed sighting of Antarctica is believed to have occurred in 1820 by the Russian … Read more

How Tall Does a Hill Have To Be To Be Considered a Mountain?

how tall does a hill have to be to be considered a mountain

Most geologists agree that a hill is smaller than a mountain and is usually a gentle rise in the Earth’s surface. A mountain is a natural elevation that rises more abruptly to a peak and is larger than a hill. In an effort to be more exact, some experts claim height requirements for each. Some … Read more

How Many Different Ecosystems Are There In the Olympic Peninsula In Western Washington State?

how many different ecosystems are there in the olympic peninsula in western washington state

Three completely different ecosystems can be found in the Olympic Peninsula in western Washington state. Dozens of glacier capped mountains, 60 miles (97 km) of undeveloped Pacific coastline, and old growth and temperate rain forests. Most of this region lies with the boundaries of Olympic National Park, 95 percent of which is designated as wilderness … Read more

Why Do Urban Planners Consider Portland, Oregon To Be a Model City?

why do urban planners consider portland oregon to be a model city

Urban planners consider Portland, Oregon to be a model city because Portland has been so successful in revitalizing its downtown area and limiting urban sprawl. Its light-rail transit system has reduced traffic congestion and air pollution, and coordinated land-use planning has kept the city from spreading uncontrolled into the surrounding countryside. Unlike many U.S. cities, … Read more

Why Is Waimea Canyon In Kauai Known As the Grand Canyon of the Pacific?

why is waimea canyon in kauai known as the grand canyon of the pacific

The Hawaiian island of Kauai may be best known for its tropical gardens, but its dramatically beautiful Waimea canyon is the highlight of any visit there. Mark Twain once called this 10-mile (16-km)-long, 2-mile (3.2-km)-wide, and nearly 3,000-foot (914-m)-deep canyon the “Grand Canyon of the Pacific.” Its red rock walls remind visitors of Arizona’s Grand … Read more

What Are the Names of the Eight Main Hawaiian Islands?

what are the names of the eight main hawaiian islands scaled

Going from east to west, the names of the eight main Hawaiian Islands are: Hawaii, Maui, Kahoolawe, Lanai, Molokai, Oahu, Kauai, and Niihau. The Hawaiian Islands were once called the Sandwich Islands. Captain James Cook named them the “Sandwich Islands” in 1778 in honor of John Montagu, 4th Earl of Sandwich, who was one of … Read more

Why Is Hawaii Called the Endangered Species Capital of the World?

why is hawaii called the endangered species capital of the world

The state of Hawaii has 316 species of plants and animals on the U.S. endangered species list, more than a third of the total list. The problem began a few hundred years ago when Polynesian and European settlers brought various kinds of plants and animals, such as dogs, chickens, pigs, rats, and mongooses there, animals … Read more

Why Does San Francisco Experience So Much Fog In the Summertime?

why does san francisco experience so much fog in the summertime scaled

When warm, humid air from the Pacific Ocean moves over the cooler water of San Francisco Bay it condenses, producing advection fog. This is the type of fog San Francisco experiences in the summer months, keeping the city cool, at least until it burns off around midday. San Francisco’s climate is characteristic of the cool-summer … Read more

What Was the Worst Earthquake To Hit California In the Twentieth Century?

what was the worst earthquake to hit california in the twentieth century

The 1906 San Francisco earthquake was the worst in California’s history, causing the deaths of more than 3,000 people and the destruction of 28,000 buildings. The fire that resulted made things worse, burning much of the city. Firefighters couldn’t fight the fires because the earthquake caused the water pipes leading into the city to break. … Read more

Why Is Utah Called the Beehive State and How Did Utah Get Its Nickname?

why is utah called the beehive state and how did utah get its nickname

Utahans selected the beehive as their official state emblem because honeybees represent the virtues of industry and perseverance. A drawing of a beehive appears on its state flag and state seal, as well as on its state highway signs. The early Mormon settlers wanted the Utah Territory to be called “Deseret,” which means “honeybee” in … Read more

Where Is Silicon Valley Located In California and How Did Silicon Valley Get Its Name?

where is silicon valley located in california and how did silicon valley get its name

Silicon Valley is a 30-mile (48-km) by 10-mile (16-km) area in northern California between San Francisco and San Jose. Its name comes from the many electronics, information technology, and Internet companies that have been locating their offices and manufacturing plants there since the 1950s. The term “Silicon Valley” was first used in 1971, with “silicon” … Read more

Why Is Idaho Called the Gem State and How Did Idaho Get Its Nickname?

why is idaho called the gem state and how did idaho get its nickname

Idaho is called the Gem State because it produces 72 different types of precious and semiprecious gemstones, including star garnets, opals, jade, and agate. Idaho is the 14th largest state by land area, and is one of only two places in the world where star garnets can be found. The Thousand Springs area of Idaho’s … Read more

Why Is Tucson Arizona Known As the Astronomy Capital of the World and What Does Tucson Mean In Spanish?

why is tucson arizona known as the astronomy capital of the world and what does tucson mean in spanish

The mountain peaks around Tucson have the largest concentration of telescopes anywhere in the world. About 30 optical telescopes, including those at Lowell Observatory and Kitt Peak National Observatory, study the stars and planets from this part of the Arizona desert, where dark night skies and dry desert air give astronomers good views of the … Read more

How Did Petrified Forest National Park In Northeastern Arizona Form and How Did It Get Its Name?

how did petrified forest national park in northeastern arizona form and how did it get its name

More than 225 million years ago, trees then growing in Petrified Forest National Park in northeastern Arizona were buried in volcanic ash, mud, or sand and eventually turned to stone. Today the area, within the Painted Desert, another colorful part of Arizona, contains one of the world’s largest concentrations of petrified wood. The park covers … Read more

How Many Glaciers Are There At Glacier National Park In Montana?

how many glaciers are there at glacier national park in montana

Glacier National Park features more than 50 glaciers and 200 lakes and streams in its 1.4 million mountainous acres (560,000 ha). The park also has more than one thousand different species of plants and animals. The mountains of Glacier National Park began forming about 170 million years ago when ancient rocks were forced over much … Read more

What Makes the Rivers In Montana Unique Among the 50 States?

what makes the rivers in montana unique among the 50 states

Montana’s rivers flow into three widely separated bodies of water: the Gulf of Mexico the Pacific Ocean the Hudson Bay The Missouri River system drains into the Mississippi River and then into the Gulf of Mexico. The Columbia River system drains into the Pacific Ocean. The Belly, St. Mary’s, and Waterton Rivers drain into Hudson … Read more

How Many Different National Flags Have Flown Over Texas?

how many different national flags have flown over texas scaled

Six different national flags have flown over Texas. At various times in its history, parts of the area that now form the state of Texas belonged at different times to Spain, France, and Mexico, its first three flags. After gaining independence from Mexico in 1836, Texas became an independent nation, the Republic of Texas, and … Read more

How Much Land Does Texas Have Compared With Some Other States In the U.S.?

how much land does texas have compared with some other states in the u s

Texas is the second largest state in the U.S. in total area, land and water combined, after Alaska. Texas contains 267,277 square miles (694,920 sq km), but Alaska is much larger, with 615,230 square miles (1,599,598 sq km). Put another way, Texas is bigger than the six New England states plus New York, Pennsylvania, North … Read more

How Many Diamond Mines Are There In the United States?

how many diamond mines are there in the united states

There is just one diamond mine in the United States, in Murfreesboro, Arkansas. Visitors can hunt for and keep any diamonds they find there. Diamonds were discovered in 1906 in Crater of Diamonds State Park, and by 1933, about 100,000 were found. The 1,000 year old Ka-Do-Ha Indian Village and museum is also located in … Read more

How Hot Are the Hot Springs In Arkansas and How Were They Formed?

how hot are the hot springs in arkansas and how were they formed

The Hot Springs in Arkansas are really hot, about 147° Fahrenheit. The world famous Hot Springs in the Ouachita Mountains are made up of 47 separate springs that put out about 1 million gallons (3.8 million 1) of steaming water a day. Hot Springs is now a national park, but back in the early 1800s … Read more

Which City In the United States Has the Busiest Port and How Big Is the Port of South Louisiana?

which city in the united states has the busiest port and how big is the port of south louisiana scaled

The Port of South Louisiana, outside New Orleans, Louisiana, is the nation’s busiest port and the world’s third busiest, when measured by tonnage handled. The port is huge, extending 54 miles (87 km) along the Mississippi River. More than 4,000 oceangoing vessels call there each year. Most shipments leaving the port are corn, wheat, and … Read more

How Many Native Americans Still Live In Oklahoma and Which Tribes Did They Descend From?

how many native americans still live in oklahoma and which tribes did they descend from

Oklahoma is home to about 272,000 Native Americans, who make up almost 8 percent of the population. Many are descended from the 67 tribes that lived there when the state was Indian Territory. These tribes included the Cherokee, Choctaw, Chickasaw, Creek, Seminole, Osage, Cheyenne, Sac and Fox, Delaware, Apache, and Pawnee. The southwestern states is … Read more

What Is Unusual About the State Capitol Building In Oklahoma City?

what is unusual about the state capitol building in oklahoma city

The state capitol building in Oklahoma City is the only capitol building in the world to have a working oil well on the grounds. The well is often called Petunia No. 1 because it was drilled into a flowerbed after the capitol was built. The capitol building itself is also a little unusual because the … Read more

How Far Is Florida From Cuba At Its Closest Point?

how far is florida from cuba at its closest point

The southern tip of Florida is less than 100 miles (161 km) from the island nation of Cuba. Ever since Cuba became a Communist nation in the early 1960s, some of its citizens have tried to escape political oppression by sailing on small boats to the United States. Many Cubans have settled in the cities … Read more

How Much of the Orange Juice We Drink Comes From Florida?

how much of the orange juice we drink comes from florida

Almost all the orange juice we drink in the United States is processed in Florida. The state of Florida grows 80 percent of all oranges and grapefruit in the United States. The second largest industry in Florida is agriculture, and citrus fruit, especially oranges, are a major part of the economy. Florida’s economy has historically … Read more