Dexter assists scientists in their work. He enforces environmental safety regulations for machines and equipment. Dexter received a certification from the Certification Board for Sterile Processing and Distribution (CBSPD). What career is Dexter in?

Cbecause it is the only one describing a habitat

Mars and earth have quite a few things in common. both are  terrestrial planets, both are located within the sun’s  habitable zone, both have  polar ice caps, similarly  tilted axes, and similar  variations in temperature. and according to some of the latest scientific data obtained by rovers and atmospheric probes, it is now known that mars once had a  dense atmosphere  and was covered with  warm, flowing water.