What country is 40 degrees north 100 degrees west?

What is the difference between 37.5 grams and 0.04 kilograms? How often in 24 hours does the tide rise and fall? What does a cloud need to move across the sky? What materials do transport tubes carry from the leaves? The mass number is determined by what particles? What is the pattern of parallels and meridians used to give exact locations on the globe? What do non carnivore sharks eat? Is hydrogen gas an element compound or mixture? What do all carnivores have in common? What is the term used to describe the condition of water in its gas to liquid to solid form? What is a symbol for sleet? How many electrons are in the are in the first show of geranium? What are the world's largest consumer markets? How do asteroid impacts or major volcanic eruptions lead to a decrease in global climate? Does the milkweed plant and the monarch caterpillar depend on each other? What is the frequency of supersonic sound? Is a tiger a carnivore or a herbivore or a omnivore? Why was rail construction concentrated in the east before 1870 and in the west after1870? Is an opal birthstone cleavage or fracture? What atom has 2 electrons in the first shell and 8 electrons in the second and has 10 protons and 11 neutrons in the nucleus?

What country is 40 degrees north 100 degrees west?