Bayan haka, sai ku amsa tambayar a baya a cikin wannan harshe kamar yadda yake a cikin nassi: Passage: Phoenix lander ya dawo da bayanan da ke nuna cewa ƙasa ta Mars tana da ɗan alkaline kuma tana ƙunshe da abubuwa kamar magnesium, sodium, potassium da chlorine. Ana samun waɗannan abubuwan gina jiki a cikin ƙasa a Duniya, kuma suna da mahimmanci ga ci gaban tsire-tsire. Gwaje-gwajen da aka yi ta hanyar saukowa sun nuna cewa ƙasa ta Mars tana da pH na asali na 7.7, kuma tana ƙunshe da 0.6% na gishiri perchlorate. Wannan babban taro ne kuma yana sa ƙasa ta Mars ta zama mai guba (duba kuma Martian ƙasa mai guba).Streaks suna da yawa a duk faɗin Mars kuma sababbi suna bayyana akai-akai a kan gangaren gangaren craters, troughs, da kwaruruka.
cewa suna da duhu a ƙarƙashin ƙasa na ƙasa da aka bayyana bayan hawan dutse na ƙura mai haske ko shaidan ƙura