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English, 18.07.2019 15:10 GhostElite6383

Which excerpt from “nasa’s curiosity rover finds clues to how water shape martian landscape” describes what needs to happen for scientists to determine the environmental conditions that were present on mars when lakes and rivers existed?
nasa’s curiosity rover finds clues to how water shape martian landscape
“curiosity crossed a boundary from an environment dominated by rivers to an environment dominated by lakes.”
“as curiosity climbs higher on mount sharp, we will have a series of experiments to show patterns in how the atmosphere and the water and the sediments interact. we may see how the chemistry changed in the lakes over time.”
“a more radical explanation is that mars’ ancient, thicker atmosphere raised temperatures above freezing globally, but so far we don’t know how the atmosphere did that.”
“if our hypothesis for mount sharp holds up, it challenges the notion that warm and wet conditions were transient, local, or only underground on mars.”

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Which excerpt from “nasa’s curiosity rover finds clues to how water shape martian landscape” descri...
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