The distance from Saturn to Earth is 10 AU. What is the distance, in kilometers, between Saturn and Earth? (2 points)

Which of these statements best compares P waves and S waves of an earthquake? (2 points)

A scientist did an experiment to show the properties of sound waves. The scientist’s results were declared valid because (2 points)

The main use of a model of the solar system is to (2 points)

Models of the solar system are used to (2 points)

New theories surrounding the formation of our solar system are proposed after (2 points)

In your own words, explain how the number of sunspots can affect the overall global climate on Earth. (5 points)

Which of these forces in carbon-14 isotopes transforms a neutron into a proton? (2 points)

Which of these qualities helps scientists to choose appropriate methods to date fossils? (2 points)

The first four steps in the formation of the sun are listed below. A cloud of gas and dust called nebula spins slowly. The nebula collapses due to condensation of gases. The cloud spins faster as it collapses. The contracting nebula flattens into a disk with a bulge at the center. Which of these statements best describes the next step in the formation of the sun? (2 points)