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The illustration above shows the relative positions of the Sun and solar planets. Use this information given in the table below to answer the questions that follow.

 

PLANET Period in years Surface Temperature o
Mercury 0.25 450
Venus 0.6 500
Earth 1.0 20
Mars 1.9 -40
Jupiter 12 -150
Saturn 29.5 -160
Uranus 84 -220
Neptune 365 -230

 

    1. Name three of the gas giants.

    2. The third planet from the Sun has one satellite.

    3. How many times does Mercury orbit the Sun for every one Earth year?

    4. Explain the trend in surface temperature.