Answer:
Active volcanoes, seasons, atmosphere
Explanation:
Earth is the third planet in close proximity to the Sun while Mars is the Fourth planet in close proximity to the Sun. Earth and Mars share some things in common which include:
1. They both have volcanoes though their volcanoes form under different conditions.
2. They both have seasons: Earth and Mars have the same seasons but there are also two additional seasons, aphelion and perihelion, in Mars.
3. They both have atmosphere: They possess atmosphere though that of Mars is much thinner than that of Earth with varying composition of gases.
