Scientists classify rocks into three different types. What is the main basis for the classification system they chose? A. Color of the rock B. Shape of the rock C. How the rock formed D. Who discovered the rock

Which is mainly resopnsible for preventing erosion

Which major city is traversed by the Congo River? A) Abuja B) Cairo C) Kinshasa D) Lagos 15 PTS!

Based on the relative positions of the sun and Earth, explain why Earth has climate zones and seasons.

A form of government in which a king or queen acts as head of state while parliament makes legislation is called a

Which statement best describes where the StartFraction pi Over 4 EndFraction comes from in the formula derivation? It is the ratio of the area of the square to the area of the circle from a cross section.

Which of these is a renewable resource? a. coal b. cotton c. copper d. petroleum

What are the classifications for the six major land areas on earth?

Which of the following European countries is one of the top three leading exporters in the world? A) United Kingdom B) Germany C) Spain D) France

Fault lines are: the crust of the lithosphere that has fractured along plate boundaries and ridges the crust of the athenosphere that has fractured along plate boundaries and ridges the crust of the biosphere that has fractured along plate

Which US region historically has been dependent on the Entertainment, software and aerospace industries as a part of its economy?