Summarize what you have learned about the four inner planets


mars
•is known as red planet
• thin atmosphere
•iron rich materials that form rust on the surface
• two moons

venus
•hottest planet in the solar system

•thick toxic atmosphere that traps heat
•surface covered with volcanoes and canyons
•no moon

earth
•largest of the inner planets atmosphere that allows for the existence of living things
•surface of land masses mountains Canyon Hills and valleys
•one moon

mercury
•smallest of the inner planets
•thinnest atmosphere of the 4planets
•made up of iron and nickel
•no moon