whiCh oF thE Following is not listED By thE Author As A ChArACtEristiC oF thE plAnEt mArs thAt woulD mAkE ColonizAtion DiFFiCult
A．thErE is littlE liquiD wAtEr.
B．DAytimE tEmpErAturEs ArE DAngErously high.
C．thE sun's rAys ArE DEADly.
D．nighttimE tEmpErAturEs ArE ExtrEmEly low.