An astronomer is studying the eight planets and their orbits. He wants to explain in mathematical terms the difference between Earth's orbit and Saturn's orbit in relation to one another and in relation to the Sun. Using information from the text, write a summary that can help him decide how to determine this information.

Marcella is a four-year-old girl who is a victim of emotional child abuse. based on the child and family services improvement and innovation act of 2011, which action should the government take for marcella? a. the state should arrest marcella’s abuser. b. the state should find a home for marcella as soon as possible. c. the state should enforce stricter laws in the area where marcella resides. d. the state should provide medical assistance to marcella.