BIOSPHERE

• (A) There used to be life on mars researchers found out from the rovers that are there they found methane in the ground from dead organisms.
• Nothing could be alive on mars now because of the low oxygen, the salty water,and the chemicals in the soil.
• Nothing could be alive in the future on mars without Terra-forming it witch will take 200 years.
• (M) There are nutrients in the soil that are edible for plants to grow food that can make life sustainable for mars.
• There are also right conditions to have fossils on mars.
• There is not enough oxygen 0.13%,95.32%carbon dioxide, 2.7% nitrogen,1.6% argon gas , and 0.08% carbon monoxide.
• (N) In winter it -195 degrees c, and in summer it is 70 degrees c.
• There are salty ice caps with salty water that is undrinkable.
• The stuff that makes mars unlivable is its atmosphere,chemical infected soil,and almost no air what soever.