What are the main components of mars?

The Tropic of Capricorn runs through which African nation where 25 percent of the Gross National Product comes from the mining of precious ores and stones such as diamonds copper and gold? What was the cost of damage from the Japan earthquake in 2011? What factors illustrate the aesthetic use of natural biota? In what region in Virginia would clay sand and gravel deposits be found? What are three examples of situations where electrostatic forces can be observed? Why do electrons go in the next orbit when there is a place in penultimate orbit? How would the World Climate map appear if latitude were the only controlling factor? How many two tenths of a litre in millilitres? How manny pounds are there in 150 kilo's? Does language change over time or does it stay the same? You can avoid dangerous last minute maneuvers by looking ahead of your vehicle at all times? Which is classified as a pure substance a compound a solution a colloid or a homogeneous mixture? How is a climate related to the amount of sunlight a climatic zone receives? What are 3 components of an electron configuration Use hydrogen as your example.? What is the water temperatures on pluton? What does the symbol Ca plus 2 represent? Robert Hook discovered cells when viewing a? Which is the most sensitive organ in our body? How does mitosis affect the growth of tumor? Most of the volcanoes on Venus are?