Answer:
Question 1: over 4.5 billion years all the above
Question 2: all the above
Question 3: The force of gravity pulled more and more material into the center of this swirling disk. Eventually, the pressure in the center was so great that hydrogen atoms began to combine and form helium, releasing a tremendous amount of energy.
Question 4: core is made up of heavy elements, such as iron and nickel, and lighter elements, such as potassium and sodium make up the surface.
Question 5: The process through which distinct layers with characteristic chemical and/or physical properties are formed
Explanation:
Answer:
B. A comparison between a whirlpool and a black hole is being made.
Explanation:
In this text, the author explains how a whirlpool works. He uses the example of a fish in order to explain this mechanism to the reader. The author describes the way the fish would have to swim in order to resist the force of the whirlpool. The author then tells us that the mechanism the whirlpool uses is similar to that of a black hole. Therefore, the items being compared are a whirlpool and a black hole.
they show they care by encourging each other and being there for each other.
