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4 Quiz- Requires Respondus LockDown Browser O O: Question y (1 point) Earth's atmosphere contains only small amounts of carbon dioxide because chemical reactions with other gases destroyed the carbon dioxide and replaced it with the nitrogen that is in the atmosphere now. the Earth's volcanoes did not outgas as much carbon dioxide as those on Venus and Mars. most of the carbon dioxide was lost during the age of bombardment. Earth doesn't have as strong a greenhouse effect as is present on Venus. carbon dioxide dissolves in water, and most of it is now contained in the oceans and carbonate rocks Question 10 (1 point) All of the following statements about Venus are true but one. Which one is false? The temperature on the surface of Venus is a hot 740 K (approx.). Venus' rotation is retrograde, a fact discovered only within the past 50 years. The magnetic field on Venus has about the same intensity as on Earth, although it appears to change directions every 100,000 years or so. Venus orbits the Sun in about 225 days and has a day that is about 117 Earth days long. Although there are no water oceans on Venus there are two fairly large, raised landforms, Ishtar Terra and Aphrodite Terra