over the last 250 million years, the world changed from a single land mass to a number of different continents. One reason for the change is expanding ocean floors. What causes ocean floors to expand?

Where do tectonic activities, such as earthquakes or volcanic eruptions, tend to occur? a-near plate boundaries b-near all mountains c-in the center of continents d-only on the ocean floor

Catherine is preparing a realistic model of the solar system. To show the orbital path of the planets, she gathers rings of different shapes. What shapes should she use for earths orbit? A) Ellipse B) Hexagon C) Circle D) Hyberbola

An earthquake is what happens when two blocks of the earth suddenly slip past one another. The surface where they slip is called a ... ?

New Zealand's main economic products entering world markers are all of the following except

If we look at the state of Michigan, roughly 85% of the state's African American population lives in the city of Lansing. False True

What is the cause of deforestation

Which of the following areas have the highest population density? A) Quebec B) United States C) California D) New York City

What are the cause and consequences of transportation

A self-employed forester who cruises timber for the public? Non-professional Consulting Forester Public Relations Bank and Credit Unions Teaching Research Government (State & Federal)

Describe the sizes of the sun moon and earth models given to the participants