In what year do experts believe the world population will be at its max?

What plays the biggest factor in population growth?

What vocabulary word describes the patterns of where people choose to live?

What vocabulary word describes the number of people living per square mile?

What percent of the Earth is covered by land?

What percentage of Earth's land is livable for humans?

Someone who moves into a new country or place is called a?

A place or location that has abundant resources and opportunities would be considered a ?

The process of people moving from rural communities to the city is called what?

What city in the Americas is the largest Megalopolis located?

This helps describe a set of beliefs, behaviors, and traits that are shared by a group of people?

The description of where someone comes from describes that person's?

What is the largest ethnic group in the United States?

How many different elements of culture are there?

What is the world's most predominant religion?

Which of the following is not an element of culture?

What type of Government system describes rule by the people?

What type of Democracy does the United States have?

How does a Monarchy choose its leader?

A form of government in which the power lies directly with one person is called?

Resources that cannot be replenished or replaced are called what?

Traditional Economies are more common associated with what type of societies?

Another name for a Market Economy is?

What type of economy does the United States operate under?

How many questions much an economic system be able to answer?

What are those basic questions that every economic system must answer?

The total value of a nation's good and services each year is called?

What type of country is the United States referred to as?

Goods purchased from another country are called what?

Earth completes one rotation every?

How many days does it take for Earth to complete one revolution around the sun?

How many layers exist inside earth?

What layer of inner earth is the thinnest?

Molten material that makes up most of the inner earth is known as?

How much of Earth's surface is covered by water?

The lithosphere involves what?

What gas makes up the most of our atmosphere?

The layer of earth where all living things survive is known as the?

Earth has how many seasons?

What has the largest effect on the length of seasons on our earth?

How many hemispheres exist on our earth?

The Fall and Spring seasons are the start of an?

What is the average weather patterns an area experiences called?

Water that fall to the earth is called what?

How many climate zones does earth have?

What type of climate zone does the United States belong too?

What has caused the greatest change to our weather patterns?

How many continents exist on Earth?

This is a naturally occurring event after two tectonic plates rub against each other on a fault line?

What is the name given to the grouping of islands created by under water volcanoes in the Pacific Ocean?

The movement of material by actions such as wind, water, or ice is called?

Greenland and Antarctica are examples of?

Pangea was the name given to the theory that all the continents used to be connected before they split, who created this?

How many continents are completely surrounded by water?

The world's largest trench, the Mariana Trench, exists in what ocean?

What percentage of the Earth is covered by saltwater?

What percentage of the Earth's water is usable by humans?

The natural system in which our water is recycled is called?

What are the three steps to our Water Cycle?