Identify the structure in the red circle.  

What are the two most abundant elements that make up the composition of the Sun?

The difference between wells and springs is that

The distance between Mars and Jupiter would MOST likely be reported in

Describe the positions of the Earth, its Moon, and the Sun during a solar eclipse.

Pluto is an example of a(n)

What are water soluble hormones derived from?

Which of the following represents a phenotype?

The Sun’s three internal layers are

A phase change happens when water in one state converts to another. When a __________ changes into a __________, the phase change is called __________.