Critical Reasoning (CR) | Re: The presence of water of Mars has been known for many years; its ice

A. The planet must have had flowing water such as a river till recently.Incorrect

cant say this from argument, recently found a opal deposit

B. The planet must have been warm enough for lakes and oceans for water during its initial years.Correct

can say this from argument, opal required liquid water and it require two billion years to form

C. There is evidence for the possibility of life on Mars about two billion years ago.Incorrect

dont know about life on mars

D. Mars must have become
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