An _observation_ is taken using the senses
Answer: Earth's shadow extends about 870,000 miles (1.4 million km) into space
Explanation:Like all shadows, the shadow of Earth is always opposite the sun. So you'll want to look eastward after sunset for the shadow (or westward before sunrise). Earth's shadow is the dark blue line above the horizon in this photo by Jörgen Andersson in Sweden. View larger.
Answer:
the answer would be the different soils she is using
