1. How might Venus’s cloud cover change if all of Venus’s volcanic activity suddenly stopped? How might these changes affect the overall Venusian environment? 2. Compare Venus’s continents with those...

1. How might Venus’s cloud cover change if all of Venus’s volcanic activity suddenly stopped? How might these changes affect the overall Venusian environment?

2. Compare Venus’s continents with those on Earth. What do they have in common? How are they different?

3. Explain why Mars has the longest synodic period of all of the planets, although its sidereal period is only 687 days.