Weather satellites orbit esrth at and altitude of 1,400,000 meters. what is the altitude in kilometers?

When you turn on a battery-operated device, an electrical circuit is

Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?

Which type of basaltic lava flow has a fairly smooth