The distance from earth to the sun, as measured at 149,597,870.691 kilometers, is called
a. the earth/sun continuum.
b. an astronomical unit.
c. the speed of light.
d. an orbital distance.

In a economy individuals answer the three basic and the central authority or leaders have little say in the economy.

Which occurs when air is compressed? air molecules move slower. air temperature rises and air molecules move faster. air temperature decreases. air temperature decreases and air molecules move faster.

Study the image. which feature is modeled in the diagram? check all that apply. 1 a convergent boundary is formed. 2 continental plates are colliding. 3 two plates are forming a divergent boundary. 4 continental plates are sliding past each other. 5 several mid-ocean ridges are formed on earth’s surface.